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3rd qtr scie review quiz <3

Total questions: 86

Worksheet time: 49mins

Name
Class
Date
1.

What does a safety symbol that resembles an electric plug remind you?

a)

Wearing goggles in the lab.

b)

The need to prevent injury to lab animals.

c)

The hazards of working with breakable material.

d)

The danger of working with electrical equipment

2.

What does a safety symbol resembling a flame caution you?

a)

Wear safety goggles.

b)

Protect an animal from fire.

c)

Sweep up broken glassware.

d)

Be careful when working with material that is flammable.

3.

Complete the phrase: The safety symbol of a razor blade reminds you to be careful when working with ____________

a)

Chemicals

b)

Glassware

c)

Sharp Instruments

d)

Laboratory Animals

4.

True or False

The laboratory is an ideal place for practical jokes.

a)

True

b)

False

5.

True or False

It is a good idea to show your independence by performing experiments that have not been approved by your teacher.

a)

True

b)

False

6.

True or False

It is generally necessary to place your nose directly over a container to smell the material in the container.

a)

True

b)

False

7.

True or False

The open end or mouth of a test tube should never be pointed toward you or anyone else.

a)

True

b)

False

8.

True or False

It is necessary to report even minor laboratory accidents to the teacher.

a)

True

b)

False

9.

True or False

The location of a fire extinguisher and fire blanket should be known by everyone in the laboratory.

a)

True

b)

False

10.
a)

crucible & cover

b)

evaporating dish

c)

clay dish

d)

mortar & pestle

11.
a)

ignition tubes

b)

test tubes

c)

graduated cylinders

d)

burets

12.

TRUE or FALSE.

An element is a pure substance that contains only one type of atom.

a)

true

b)

false

13.

TRUE or FALSE.

Pure gold is made up of 3 kinds of atoms

a)

true

b)

false

14.

TRUE or FALSE.

When an atom is bonded to another different atom it is called an element.

a)

true

b)

false

15.

TRUE or FALSE.

Compounds can be broken down into simpler substances.

a)

true

b)

false

16.

TRUE or FALSE.

Elements are malleable and ductile while compounds are hard and brittle.

a)

true

b)

false

17.

Ability of a material to allow the flow of electrical and heat energy.

a)

Conductivity

b)

Malleability

c)

Hardness

d)

Ductility

18.

The ability of an object to be hammered into thin sheets.

a)

Conductivity

b)

Malleability

c)

Hardness

d)

Ductility

19.

The resistance to scratching, denting, or bending of a material.

a)

Conductivity

b)

Malleability

c)

Hardness

d)

Ductility

20.

The ability of an object to be drawn into wires.

a)

Insulation

b)

Malleability

c)

Hardness

d)

Ductility

21.

Ability of a material to limit or restrict the flow of electrical and heat energy.

a)

Insulation

b)

Malleability

c)

Hardness

d)

Ductility

22.

Shiny, hard material that conducts heat.

a)

metal

b)

non-metal

c)

metalloid

23.

Dull, does not conduct electricity.

a)

metal

b)

non-metal

c)

metalloid

24.

Known as semiconductor elements.

a)

metal

b)

non-metal

c)

metalloid

25.

An element that can be formed into an electric wire.

a)

metal

b)

non-metal

c)

metalloid

26.

An element that is a good insulator.

a)

metal

b)

non-metal

c)

metalloid

27.

Steps on how to use the bunsen burner:  

connect the bunsen burner in the gas source using the rubber tube 

light up the match/lighter

close the air hole

open the air hole to produce a working flame

turn on the gas valve

a)

1,2,3,4,5

b)

1,3,2,5,4

c)

2,5,3,1,4

d)

5,4,3,2,1

28.

Solutions

a)

homogenous

b)

heterogenous

c)

non-uniform

d)

uniform

29.

what is the universal solvent

(a)  

30.

in computing percent concentrations, what is the formula we use in mass?

a)

% (m/m) = mass of solute/mass of solution x 100 %  

b)

% (v/v) = volume of solute/volume of solution x 100 % 

c)

% (m/v) = mass of solute (g)/volume of solution (mL) x 100 % 

d)

i dont know

31.

in computing percent concentrations, what is the formula we use in volume?

a)

% (m/m) = mass of solute/mass of solution x 100 %  

b)

% (v/v) = volume of solute/volume of solution x 100 % 

c)

% (m/v) = mass of solute (g)/volume of solution (mL) x 100 % 

d)

i dont know

32.

in computing percent concentrations, what is the formula we use in mass/volume?

a)

% (m/m) = mass of solute/mass of solution x 100 %  

b)

% (v/v) = volume of solute/volume of solution x 100 % 

c)

% (m/v) = mass of solute (g)/volume of solution (mL) x 100 % 

d)

i dont know

33.

what is the ph level of acid

a)

0-6.9

b)

7

c)

7.1-14

d)

0-7

34.

what is the ph level of neutral

a)

0-6.9

b)

7

c)

7.1-14

d)

0-7

35.

what is the ph level of base

a)

0-6.9

b)

7

c)

7.1-14

d)

0-7

36.

acid taste?

a)

sour

b)

bitter

c)

idk

37.

which of the following gives a soapy to touch?

a)

acid

b)

base

c)

idk

38.

When a solution is very concentrated, it has a high amount of _________ than _________.

a)

solute, solvent

b)

solvent, solution

c)

solvent, solute

d)

solution, solute

39.

Vinegar is a mixture of about 5 mL of acetic acid in 95 mL of water. Therefore, the acetic acid is the solvent and the water is the solute.

a)

true

b)

false

40.

metals

a)

solids gas and malleable

b)

good conductors

c)

properties of both metal and non-metal

d)

dull and brittle

e)

ductile and mettalic luster

41.

metals

(a)  

42.

metalloid

(a)  

43.

non-metal

(a)  

44.

solvent amount is equal with the solute

a)

saturated

b)

unsaturated

c)

supersaturated

45.

there is more solvent than solute

a)

saturated

b)

unsaturated

c)

supersaturated

46.

there is more solute than solvent

a)

saturated

b)

unsaturated

c)

supersaturated

47.

(a)   scattering of a beam of light by a medium containing small particles

48.

if no solution, ____ the solute and solvent together

a)

add

b)

subtract

c)

divide

d)

multiply

49.

if no solute, ____ the solvent and solution

a)

add

b)

subtract

c)

divide

d)

multiply

50.

conduct electricity

a)

base

b)

acid

c)

neutral

d)

idk

51.

indicators

(a)  

52.

salt water is at the side of ____

a)

acid

b)

base

c)

neutral

d)

idk

53.

have hydrogen (h) at the beginning of their chemical formulas. 

Ex.  

- carbonic acid (H2CO3) 

- hydrochloric acid (HCl) 

 

a)

inorganic acid

b)

organic acid

c)

base

d)

acid

54.

have carbon and hydrogen (CH) in the beginning of their formulas (always). 

Ex. 

- acetic acids (C6H4O2) 

- ascorbic acid (C6H8O6) 

a)

inorganic acid

b)

organic acid

c)

base

d)

acid

55.

- most _____ end in -OH or Hydroxide. 

Ex. 

- aluminum hydroxide = Al(OH)3 

- calcium hydroxide = Ca(OH)2 

- potassium hydroxide = KOH 

a)

aicd

b)

base

c)

neutral

d)

idk

56.

suspension

a)

when left to stand, the SOLUTE and SOLVENT separate.  

b)

has tyndall effect

c)

heterogeneous

d)

homogeneous

e)

light is unable to pass through COMPLETELY, but it has NO TYNDALL EFFECT. 

57.

true of false

oil is usually a solvent

(a)  

58.

Metal + Non-metals 

   Na + Cl = NaCl (table salt) 

a)

IONIC COMPOUNDS 

b)

COVALENT COMPOUNDS 

c)

idk

d)

hatdog

59.

Non-metals + Non-metals 

    H + O = HO 

a)

IONIC COMPOUNDS 

b)

COVALENT COMPOUNDS 

c)

idk

d)

hatdog

60.

sodium

a)

elements

b)

component

c)

mixtures

d)

acid

61.

Glucose

a)

elements

b)

component

c)

mixtures

d)

acid

62.

Chlorine

a)

elements

b)

component

c)

mixtures

d)

acid

63.

water + salt 

a)

solution

b)

suspension

c)

colloid

d)

idk

64.

water + cornstarch

a)

solution

b)

suspension

c)

colloid

d)

idk

65.

boiled water + suspension

a)

solution

b)

suspension

c)

colloid

d)

idk

66.
a)

explosive

b)

flammable

c)

corrosive

d)

toxic

67.
a)

explosive

b)

flammable

c)

corrosive

d)

toxic

68.
a)

explosive

b)

flammable

c)

corrosive

d)

toxic

69.
a)

explosive

b)

flammable

c)

corrosive

d)

toxic

70.
a)

Glassware Hazard

b)

Electrical hazard/sparks: 

c)

Eye hazard

d)

Flammable material

e)

Poison

71.

true or false

Never pour chemicals back into the original container

(a)  

72.

t or f

Wash eyes for 20 minutes immediately when exposed to chemicals

(a)  

73.
a)

Glassware Hazard

b)

Electrical hazard/sparks: 

c)

Eye hazard

d)

Flammable material

e)

Poison

74.
a)

Glassware Hazard

b)

Electrical hazard/sparks: 

c)

Eye hazard

d)

Flammable material

e)

Poison

75.
a)

Hand safety 

b)

Poison

c)

Flammable material

d)

Need for protective clothing

e)

 Hand Protection

76.
a)

Hand safety 

b)

Poison

c)

Flammable material

d)

Need for protective clothing

e)

 Hand Protection

77.
a)

Hand safety 

b)

Poison

c)

Flammable material

d)

Need for protective clothing

e)

 Hand Protection

78.
a)

Hand safety 

b)

Poison

c)

Flammable material

d)

Need for protective clothing

e)

 Hand Protection

79.

which of the following gives slippery and soapy to touch

a)

acid

b)

bases

c)

idk

80.

t or f

Not all bases are alkalis, but all alkalis are bases

(a)  

81.

which of the following Conduct electricity and soluble in water

a)

acid

b)

bases

c)

idk

82.

t or f

Ph meter is more accurate than Ph paper because Ph meter gives you the exact number/amount

(a)  

83.

weak acid

a)

4 to 6.9

b)

0 to 3.9

c)

7.1 to 9.9

d)

10.1 to 14

84.

strongly acidic

a)

4 to 6.9

b)

0 to 3.9

c)

7.1 to 9.9

d)

10.1 to 14

85.

weak basic

a)

4 to 6.9

b)

0 to 3.9

c)

7.1 to 9.9

d)

10.1 to 14

86.

strongly basic

a)

4 to 6.9

b)

0 to 3.9

c)

7.1 to 9.9

d)

10.1 to 14

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