WorksheetsChemistry Quiz: Reactions and Bonds
Total questions: 30
Worksheet time: 39mins
Which type of bond is formed when electrons are shared between two atoms?
Ionic bond
Metallic bond
Covalent bond
Hydrogen bond
In the neutralisation reaction between sulfuric acid (H₂SO₄) and potassium hydroxide (KOH), what is the product?
K₂SO₄
KHSO₄
H₂O
K₂SO₄ and H₂O
Which of the following is a characteristic of ionic bonds?
They occur between nonmetals.
They involve the sharing of electrons.
They form between metals and nonmetals.
They are weak and easily broken.
What is the product of the neutralisation reaction between hydrochloric acid and sodium carbonate?
Sodium chloride and carbon dioxide
Sodium chloride and water
Sodium bicarbonate
Sodium hydroxide
Which of the following is a strong acid?
Acetic acid
Hydrochloric acid
Carbonic acid
Citric acid
A plastic bag is made from a polymer called polyethene. Which of the following is the property of plastic bag?
Good insulator
Non flammable
Biodegradable
High tensile strength
The following equation represents the reaction between calcium carbonate and hydrochloric acid.
CaCO3 + 2HCl --> CaCl2 + CO2 + H2O
Which products is most suitable to be chosen to determine the rate of reaction?
Decreasing mass of calcium carbonate
Increasing mass of calcium chloride
Increasing volume of carbon dioxide
Increasing volume of water
Ionic equation for the reaction between zinc and copper(II) ions solution, Cu2+ is shown below.
Zn + Cu2+ --> Zn2+ + Cu
Based on the equation, which substance undergoes oxidation?
Zn
Cu2+
Zn2+
Cu
Diagram 5 shows the energy level diagram for the precipitation reaction of silver chloride. Which of the following is true about the reaction?
Endothermic reaction, heat is released.
Exothermic reaction, heat is absorbed.
Endothermic reaction, heat is absorbed.
Exothermic reaction, heat is released.
Two cleaning agents, soap and detergent are used to wash clothes in sea water and river water. Which of the following pair is correct about the results obtained?I
I and II
I and IV
II and III
III and IV
What is the nucleon number of atom shown?
11
12
22
23
Which of the following is true about the atoms of elements Y and Z?
Mass of one atom of Z is 18g
The number of protons in atom Y is 90
5 moles of Z have the same mass as 1 mole of Y
The density of one atom of Y is 5 times that of an atom of Z
Element Z is located in the same group as chlorine in the Periodic Table. Z is not the actual symbol of the element.
Which of the following statements are the chemical properties of element Z?
Reacts with water to produce alkaline solution
Reacts with sodium to produce a black solid
Reacts with sodium hydroxide to produce an acidic solution
Reacts with hot iron to form brown solid.
What are the products of the reaction between ethanoic acid and sodium oxide?
I - Water
II - Hydrogen
III - Ethyl ethanoate
IV - Sodium ethanoate
I and II
II and III
III and IV
I and IV
Diagram shows inland lake known as dead sea. In dry season, solid X is formed. During raining season all the solid X disappear. What are the properties of solid X?
I - Can be purified using recrystallization
II - Can conduct electricity in molten state
III - Consists of chloride and sulphate compounds
IV - Low melting and boiling point
I and II
I and III
II and III
III and IV
Which of the following is the most suitable catalyst and conditions required for production of ammonia in industry?D
A
B
C
D
The following equation represents the reaction between sodium thiosulphate and sulphuric acid.
Na2S2O3 + H4SO4 --> Na2SO4 + H2O + SO2 + S
20cm3 distilled water is added to the mixture. What is the difference of adding distilled water to the mixture compared to without adding distilled water?
Total volume of sulphur dioxide becomes higher
Concentration of sodium sulphate becomes higher
Total volume of water becomes higher
Time taken reaction complete is higher
When but-1-ene is shaken with bromine water, the brown bromine water is decolourised. What is the product of this reaction?
1,2-dibromobutane
2,3-dibromobutene
1,2-dibromobutene
2,3-dibromobutane
Diagram shows the results of an experiment to investigate the effect of metals on the rusting of iron.
Based on the result above, arrange iron, X and Y in increasing order of electropositivity.
X, iron, Y
Y, iron, X
Iron, X, Y
Iron, Y, X
Diagram 10 shows the energy profile diagram for a reaction between P and Q.
What is the value of X?
+100
+80
-180
+180
Diagram shows the apparatus set-up to determine the empirical formula for an oxide of copper. Gas Z is used to reduce the oxide of copper. What is gas Z?
Oxygen / Oksigen
Chlorine / Klorin
Hydrogen / Hidrogen
Carbon dioxide / Karban dioksida
What is the empirical formula for the compound?
Apakah formula empirik bagi sebatian itu?
CH2O
C2H2O2
CH2O2
C2H5O2
