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WorksheetsRevision Form 4-SPM TRIAL 1 2023
Total questions: 60
Worksheet time: 45mins
Which of the following steps are carried out after the data collection?
I Making observation
II Making conclusion
III Making hypothesis
IV Writing report
I and III
I and IV
II and III
II and IV
A student carries out an experiment to determine the rate of dissolving salt at different sizes.Which of the following apparatus is essential for the experiment?
Conical flask
Stopwatch
Evaporating dish
Bunsen burner
- Positively charged sphere
- Negatively charged electrons scattered in the sphere
Which of the following scientist proposed the model?
John Dalton
J.J. Thomson
Ernest Rutherford
Niels Bohr
Atom P
Proton No: 6
Nucleon No: 14
What is the number of neutrons in atom P?
6
7
8
12
How many atoms are there in 2 mol of chlorine gas?
[Avogardo constant: 6.02 x 1023 mol-1]
1.204 x 1024
2.408 x 1024
3.612 x 1024
4.816 x 1024
Calculate the relative formula mass of Zn(NO3)2.
[Relative atomic mass: Zn=65, N=14, O=16]
127
175
189
254
What is the emperical formula for this oxide?
JO
J2O
J2O3
J3O2
Which of the following statements explain why the melting point and boiling point of Group 1 element decreases when going down the group in the periodic table?
The number of proton increase.
Size of atom increases.
The relative mass of atom increases.
The number of valence electron increases.
The electron arrangement of atom J is 2.8.2 and the electron arrangement of atom L is 2.7. Element J and L react to form a compound. Which of the following is true about the reaction?
Atom L donates 7 electrons
Atom J receive 1 electron
An ionic compound is formed
The ionic compound formed has the chemical formula J2L.
Which of the following ions form a white precipitate that dissolves in excess sodium hydroxide solution?
I Pb2+
II Fe2+
III Zn2+
IV Mg2+
I and III
II and III
I, II and IV
I, III and IV
Which of the following is insoluble salt
Ammonium carbonate
Magnesium sulphate
Lead(ll) chloride
Zinc nitrate
Which of the following is white solid and dissolves in water?
Sodium carbonate
Barium sulphate
Calcium chloride
Magnesium carbonate
Green colour of salt A dissolves in water produce blue colour solution.
Copper(ll) chloride
Copper(ll) sulphate
Copper(ll) nitrate
Copper(ll) carbonate
Which of the following statement are true about the formula of dinitrogen monoxide, N2O?
The relative molecular mass is 28.
One molecule of N2O consists of one nitrogen atom and one oxygen atom.
One mole of N2O contains 6.02 x 1023 atoms of nitrogen.
One mole of N2O consists of two mole of nitrogen atom and one mole of oxygen atom.
What is the empirical formula if you have 81.82% carbon and 18.18% hydrogen?
C3H8
CH4
C2H2
C4H10
A column of the periodic table is a ________.
group
period
range
A row on the periodic table is a _______.
group
period
range
Elements on the periodic table are arranged in rows and columns according to their _________.
properties
categories
atomic number
boiling point
Which of these is a noble gas?
Chlorine (Cl)
Hydrogen (H)
Neon (Ne)
Fluorine (F)
What happens to the melting point as you go down the group
Increases
Decreases
Stays the same
It is used in electric bulbs and provide inert welding atmosphere.
Helium
Neon
Argon
Krypton
Going down Group 18 boiling point increase because
Atomic size of atom increase
The bond between atoms increase
More heat absorp to break the bond
More heat released to break the bond
If element X has electron argument 2.8.5.
What will be its period?
3
5
13
15
what type of transition element can be found in this solution?
Cu
Mn
Fe
Cr
What is formed when an atom receives electron?
Anion
Cation
Ionic bond
Covalent bond
Which compound is correctly matched with its type of bonds?
oxygen - ionic bond
ammonia - covalent bond
sodium oxide - covalent bond
sulphur trioxide - ionic bond
Which substance is an ionic compound?
Glucose
Methanol
Zinc oxide
Carbon dioxide
What is the octet rule?
it states atoms need to be happy
it states atoms need 8 valence electrons to be stable
it states atoms need 6 valence electrons to be stable
it states atoms need to share electrons to be stable
M + 2HCl ---> MCl2 + H2
What is the volume of hydrogen gas produced when 150 cm3 of 0.2 mol dm-3 hydrochloric acid is used? [1 mol of gas occupies the volume of 24 dm3 at room temperature and pressure]
Increase in temperature causes the particles to
slow down
move faster
stay apart from each other
move in the correct order
Why does a higher temperature increase the rate of a reaction?
It increases both the frequency collision and energy of reactant particles
It only increases the frequency of collision
It only increases the energy of reactant particles
It reduces the activation energy of the reaction
Which manufacturing of the following is not a characteristic of catalyst?
A catalyst is specific in its reaction.
A catalyst influences the quantity of product of a reaction.
The chemical property of a catalyst remains unchanged at the end of the reaction.
Only a little amount of a catalyst is needed to influence the rate of reaction.
‘Bronze is harder than copper’. Which of the following is the best to explain the statement?
Atoms in bronze are arranged closely packed and less empty spaces.
Layers of atoms in bronze are not easily slide over each other.
Atomic size of copper and tin is different.
Bronze is a mixture of copper and tin
What is the use of duralumin?
Making of aircraft body frame
Making of musical instruments
Making of electrical connectors
Making of surgical instruments
What is the main component of glass?
Silica
Silicon
Kaolin
Sodium carbonate
Which of the following is true about ceramic?
Ceramic has low melting point
Ceramic is soft and weak
Ceramic is inert to chemicals
Ceramic is poor insulator of electricity and heat
Which of the following composite materials match with its property?
Reinforced concrete - Soft and weak
Superconductor - Transparent and no reflect to light rays
Photochromic glass - Insulator of electricity
Fibre glass - High density and non-flexible
Complete the following word equation:
Metal + Acid -->
Salt + water
Salt + hydrogen
Salt + Water + Carbon dioxide
Complete the following word equation:
Metalcarbonate + acid -->
Salt + Hydrogen
Salt + Water + Carbon Dioxide
Salt + Water
How do you remove the water to leave solid copper sulfate crystals?
Filter
Evaporate
Distill
What is the symbol for Copper?
C
co
Cu
CU
What is the symbol for carbonate?
CO
CO2
CO3
What is the name of the practical technique to neutralise an alkali?
Neutralisation
Titration
Using a burette
Telestration
What does the word insoluble mean?
Does dissolve
Doesn't dissolve
Is part of a solid
What colour does the solution turn when sulfuric acid is added to copper carbonate?
Blue
Green
Clear
Purple
How do you separate an excess insoluble reactant from a solution?
Filtration
Precipitation
Crystalisation
Evaporation
Which two chemicals could you react to make only potassium chloride and water?
Potassium and hydrochloric acid
Potassium hydroxide and hydrochloric acid
Potassium oxide and sulfuric acid
Potassium and sulfuric acid
_________________ + nitric acid --> calcium nitrate + water
calcium sulfate
calcium oxide
calcium carbonate
calcium
What is the name of the practical technique to neutralise an alkali?
Neutralisation
Titration
Using a burette
Telestration
Which of the following salt is suitable prepared by the double decomposition reaction method?
Lead (II) nitrate
Silver chloride
Magnesium sulphate
Sodium carbonate
Do you think you can do well in Chemistry?
Yes of course
No lah
Can teacher!
