Free Printable Long Quiz

1.

Which of the following is known as the origin of light elements? (a)

Choose from the below words

Stellar Nucleosynthesis

Primordial Nucleosynthesis

R- process

Supernova Nucleosynthesis

2.

A machine is efficient if it does not “ waste energy”. What does it compel?

a)

Engine is warm to the touch.

b)

Its exhaust heat the air.

c)

It vibrates and make noise.

d)

It converts all its energy to useful work.

3.

Which cleaner contains volatile liquids that easily evaporates, leaving no residue? (a)

Choose from the below words

toilet bowl cleaner

drain cleaner

glass cleaner

oven cleaner

4.

What substance helps the surfactant more powerful through the reaction of certain stuff which is found in tap water? (a)

Choose from the below words

antibacterial

builders

enzymes

fragrance

5.

It deals with the process that involves rearrangement of the molecular or ionic structure of a substance to form a new substance or product? (a)

Choose from the below words

Chemical Equilibrium

Chemical Symbol

Chemical Reaction

Stoichiometry

6.

In order to prevent any harm in using the cleaning products at home, one must:

a)

Buy one product only.

b)

Read carefully the product information.

c)

Patronize the most popular name of a product.

d)

Check the cheapest product available in the market

7.

In order to attain a better and healthy living, one must practice proper hygiene and one of it is the handwashing. What will you use to perform good handwashing? (a)

Choose from the below words

detergent

dishwashing

bacterial soap

wax

8.

A cleaning agent that helps to disinfect and sanitize the materials and furniture in our home. (a)

Choose from the below words

astringent

bleaches

detergent products

dishwashing liquid

9.

The energy that comes from fossil fuels came from the sun through this process when the prehistoric plants were still alive. (a)

Choose from the below words

cytokinesis

meiosis

mitosis

photosynthesis

10.

Which is an advantage of solar energy?

a)

abundant

b)

amount of space

c)

expensive

d)

rare metals

11.

Which is possible ingredient of a consumer product that adversely affects brain activity?

a)

allergen

b)

endocrine disruptor

c)

neurotoxin

d)

reproductive toxin

12.

In case of a household chemical splash in the eyes, What should one do first?

a)

Call for medical help.

b)

Move to a ventilated area.

c)

Place a cold compress over closed eyes.

d)

Rinse eyes for 15-20 minutes with clean running water.

13.

He synthesized element with atomic number 43 using a linear particle accelerator.

a)

Ernest Rutherford

b)

Ernest Lawrence

c)

Dmitri Mendeleeve

d)

John Dalton

14.

Which process is responsible for the formation of light elements such as Hydrogen and Helium?

a)

big bang nucleosynthesis

b)

stellar nuceosynthesis

c)

supernova nucleosynthesis

d)

terrestrial nucleosynthesis

15.

Which of the following is the sign that a protostar will transform into the next stage?

a)

When it starts to spin faster

b)

When it starts to glow

c)

When Hydrogen nuclear fusion begins

d)

When it increases temperature igniting the

Hydrogen

16.

Which of the following statement is FALSE?

a)

The core of red giant star is made up of carbon.

b)

The average star has shorter life span.

c)

The more massive the star is the faster it burns its fuel.

d)

No elements heavier than Iron can be produced in a massive star.

17.

In this process there’s a buildup of a very heavy isotopes, then as beta-decays occur, you march up in atomic number and produce heavy products.

a)

R-process

b)

S-process

c)

Nuclear Fission

d)

Proton-Proton Reaction

18.

Which of the following is NOT TRUE about the isotopic symbol ⁶⁴Cu

²⁵

a)

the isotope has 29 protons

b)

the isotope has 35 neutrons

c)

the isotope has 35 electrons

d)

the isotope has a mass of 64

19.

A polar covalent bond would form in which of the following pairs of atoms?

a)

Cl-Cl

b)

Mg - O

c)

N - H

d)

C - S

20.

Which of the following is NOT TRUE about CO₂?

a)

Has an electronegativity difference of 1.0.

b)

Has a linear molecular shape.

c)

Polar bond is present.

d)

Is a polar molecule

21.

From the given Lewis structure of NH₃, how many nonbonding pair/s of electron are around the central atom?

a)

0

b)

1

c)

2

d)

3

22.

Which of the following statements is INCORRECT?

a)

Polar covalent bonds can be presented in a nonpolar molecule.

b)

Polar covalent bond is present if the electronegativity difference between atoms is equal or less than 0.4.

c)

Polarity of bond and molecular geometry are the two factors that affect the polarity of molecules.

d)

Polar bond forms when electrons are unequally shared by two atoms in a compound.

23.

Which of the following intermolecular forces of attraction (IMFA) is arranged from strongest to weakest?

a)

H-bonding - dipole-dipole - London forces

b)

London forces - dipole-dipole - H-bonding

c)

Dipole-dipole - London forces - H - bonding

d)

H-bonding - London forces - dipole-dipole

24.

Given the figure below, what type of chemical formula is illustrated?

a)

condensed formula

b)

empirical formula

c)

molecular formula

d)

structural formula

25.

Which among the given information in the graph are being compared?

a)

Number of bonds

b)

Boiling points of alkanes and alcohols

c)

Length of carbon chain

d)

Number of carbon atoms of alkanes and alcohol

26.

Which of the following intermolecular forces of attraction is best presented by the given graph?

a)

Hydrogen bonding

b)

Ion-dipole interaction

c)

Dipole-dipole interaction

d)

Van der Waals force

27.

Which of the following intermolecular forces of attraction is best presented by the given graph?

a)

Hydrogen bonding

b)

Ion-dipole interaction

c)

Dipole-dipole interaction

d)

Van der Waals force

28.

Based on the given data, what is the approximate boiling point of an alcohol with 5 carbons?

a)

100 K

b)

225 k

c)

350 K

d)

410 K

29.

H-bonding forms when the substances involve are polar and have molecules with

a)

H-atoms attached to O, N, F.

b)

central atoms with O, N, F as attached atoms.

c)

C-atoms attached to O, N, F.

d)

unshared pair of electrons in the central atom.

30.

Using the chart on the vapour pressure of the four substances, which among them has the lowest boiling point?

a)

water

b)

bromine

c)

ethyl alcohol

d)

diethyl alcohol

31.

The excessive consumption of carbohydrates is converted into which polysaccharide that is stored in the liver and in the muscles?

a)

creatinine

b)

glycogen

c)

hemoglobin

d)

uric acid

32.

Water is a polar molecule that is capable of forming H=bonds. What is expected of its vapour pressure?

a)

It is low since weak intermolecular forces are present,

b)

The polar ends hinder the breaking of bonds, thus less water vapour is produced.

c)

Vapour pressure is high since great amount of energy is needed to break the H-bond.

d)

Vapour pressure is low since, it is hard to break the H-bond among the molecules and scape as vapour.

33.

Which type of biomolecules has CHO, and is connected to other CHO monomers?

a)

protein

b)

monosaccharide

c)

polysaccharide

d)

disaccharide

34.

Which group of organic molecules is used for long-term energy storage in animals?

a)

prrotein

b)

carbohydrates

c)

lipids

d)

nucleic acid

35.

Which factors listed is/are required for a successful collision?

a)

I only

b)

I,II and III only

c)

II and III only

d)

I, II, III and IV

36.

Consider the given chemical reaction: N₂ + 2O₂----> 2NO₂

Which is the correct mole-weight relationship for the reaction?

a)

N₂ = 14 g

b)

NO₂ = 30 g

c)

O₂ = 64 g

d)

O₂ = 32 g

37.

What happens to the reaction system if its temperature is increased?

a)

More collisions occur, resulting in a higher reaction rate.

b)

More collisions occur, but the collision energy is the same.

c)

The same number of collisions occurs with the same collision energy.

d)

The same number of collisions occurs but with a greater collision energy.

38.

Which of the following substances will dissolve most likely in water?

a)

oil

b)

Carbon tetrachloride (CCl₄)

c)

Vinegar (CH₃COOH)

d)

Hexane ( C₆H₁₄ )

39.

The factor will slow down the rate of chemical reaction.

a)

Manual stirring of the substance.

b)

Placing products in iced water.

c)

Placing substances in a hot water.

d)

Placing reactants in ice bath.

40.

In the equation Mg + HCl ------> MgCl₂ + H₂, how many molecules of hydrogen do we need to make hydrogen balanced?

a)

3

b)

6

c)

2

d)

7

41.

Use the following balanced equation: 2C₂H₆ + 7O₂ ----> 4 CO₂ + 6H₂O.

If 15 g of C₂H₆ react with 45 g of O₂, how many grams of water will be produced

a)

22 g H₂O

b)

27 g H₂O

c)

23 g H₂O

d)

28 g H₂O

42.

Use the following balanced equation: 2C₂H₆ + 7O₂ ----> 4 CO₂ + 6H₂O.

What is the limiting reaction in the equation?

a)

O₂

b)

C₂H₆

c)

H₂O

d)

CO₂

43.

Use the following balanced equation: 2C₂H₆ + 7O₂ ----> 4 CO₂ + 6H₂O.

What is the excess reactant in the equation?

a)

O₂

b)

C₂H₆

c)

H₂O

d)

CO₂

44.

consider the following reaction: 2Al + 6HBr ----> 2AlBr₃+ 3H_2.

When 86.9 grams of Al react with 40.1 grams of HBr, how many H₂ are formed?

a)

5.01 g

b)

8.01 g

c)

7.01 g

d)

10.01 g

45.

consider the following reaction: 2Al + 6HBr ----> 2AlBr₃+ 3H_2.

What is the limiting reactant?

a)

Al

b)

AlBr₃

c)

HBr

d)

H₂

46.

consider the following reaction: 2Al + 6HBr ----> 2AlBr₃+ 3H_2.

For the excess reactants, how many grams are left over at the end of the reaction?

a)

42.3 g

b)

44.3 g

c)

47.4 g

d)

48.4 g

47.

Which of the following is used to create methane and alcohol which are fuels useful energy production and in powering automobiles?

a)

biomass

b)

carbon

c)

coal

d)

oil

48.

Wind turbines are installed in strategic locations to harness what type of energy from wind?

a)

chemical

b)

kinetic

c)

mechanical

d)

potential

49.

Which is not part of nucleotide?

a)

Nitrogenous base

b)

Ribonucleic acid

c)

Phosphate group

d)

Sugar

50.

This form of energy includes hydrocarbons such as coal, oil, and natural gas that comes from organic remains of prehistoric organisms

a)

batteries

b)

fossil fuels

c)

natural gas

d)

solar power

51.

Which of the following equation below is balanced?

a)

Al + 3O₂ --> 2Al₂O₃

b)

4Al + O₂ --> 2Al₂O₃

c)

4Al + 3O₂ --> Al₂O₃

d)

4Al + 3O₂-> 2Al₂O₃

52.

Which of the following is the characteristics of a catalyst?

a)

It participates in the reaction.

b)

It activates equilibrium.

c)

It enhances the equilibrium rate.

d)

It initialize the reaction.

53.

Why is toothpaste more preferred by consumers than liquid dentifrice?

a)

Liquid dentifrice lacks abrasiveness.

b)

Liquid dentifrice is rarely available in the market.

c)

Toothpaste is easier to carry than dentifrice

d)

Toothpaste contains more ingredients than liquid dentifrice.

54.

In laundry washing, oil is removed from clothes when the nonpolar end of the detergent molecule attracts the nonpolar oil molecules, while its polar end is attracted by the polar molecule s of water. What can you conclude based on this information?

a)

A polar compound dissolves a polar compound.

b)

A nonpolar compound dissolves a polar compound.

c)

Substances with similar polarities dissolve each other.

d)

Dissolution process takes place in any combination of compound.

55.

Food is refrigerated to slow down its decomposition caused by bacterial action. Which best explains this situation?

a)

The decrease in the surface area of the food upon refrigeration.

b)

The decrease in the number of particles possessing activation energy.

c)

The lowering of the heat of reaction of the decomposition reaction.

d)

The introduction of an alternative pathway for the decomposition to take place.

56.

What are these ingredients included in a hand hygiene product which provides reduction in germs?

a)

antibacterial

b)

enzymes

c)

fragrance

d)

solvents

57.

Active ingredient in a cleaning product is the strong mineral acid and chalant.Which of the following is not a mineral acid?

a)

hydrochloric acid

b)

nitric acid

c)

sulfuric acid

d)

carbonic acid

58.

This source of energy is also known as “The People’s Power” referring to theeasy deployment of solar panels and the introduction of “community solargardens” where energy is shared among owners.

a)

biofuel

b)

geothermal

c)

hydrochloric

d)

solar energy

59.

It is the maximum amount of product you would expect from a reactionbased on the amount of limiting reagent

a)

Theoretical Yield

b)

Limiting Reactant

c)

Limiting Reagent

d)

Solution

60.

A substance that increases the rate of a reaction without being used upduring the reaction is called a

a)

Catalyst

b)

Product

c)

Reactant

d)

Solute

Long Quiz_3rd Quarter

Total questions: 60

Worksheet time: 37mins

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