NEW
Font size
WorksheetsChem Year 7 Quiz DStateUgos
Total questions: 20
Worksheet time: 10mins
1. The term 'acid' was gotten from which of the following?
A. Al-qality
B. Atoma
C. Acidus
D. Neutral
2. Which of the following correctly describes an indicator?
A. The smallest particle of a substance that can take part in a chemical reaction
B. A soluble base
C. A measure of the hydrogen ion concentration of a solution
D. A substance that produces different colours when added to different solutions
3. Which of the following is NOT an alkali?
A. Sodium hydroxide
B. Magnesium hydroxide
C. Potassium hydroxide
D. Calcium hydroxide
4. The products gotten when an acid reacts with a base are
A. hydrogen and oxygen
B. salt and water
C. carbon and carbon dioxide
D. carbon dioxide and water
5. A reaction between an acid and a base is called
A. neutralization
B. hydrogenation
C. acidification
D. crystallization
6. Any soluble base is called a/an
A. proton
B. acid
C. alkali
D. neutron
7. A solution whose pH value is 3 is most likely a/an
A. acid
B. base
C. alkali
D. neutral solution
8. What is the colour of methyl orange in an alkaline solution?
A. Orange
B. Pink
C. Red
D. Yellow
9. What is the colour of Phenolphthalein in a neutral solution?
A. colourless
B. Pink
C. Purple
D. Yellow
10. The products gotten when an acid reacts with a carbonate are
A. a salt and a base
B. hydrogen, carbon dioxide, and water
C. a salt, water, and carbon dioxide
D. carbon, oxygen, and hydrogen
11. Which of the following is used to cure indigestion?
A. Sugar
B. Lime water
C. Sodium bicarbonate
D. Sulphuric acid
12. Which of the following will most likely cause acid rain?
A. Carbon monoxide
B. Sulphur dioxide
C. Ammonia
D. Water
13. Which of the following is an organic acid?
A. Amino acid
B. Nitric acid
C. Hydrochloric acid
D. Sulphuric acid
14. Which of the following elements is common to all acids?
A. Hydrogen
B. Oxygen
C. Carbon
D. Sulphur
15. Which of the following is NOT a type of pollution?
A. House pollution
B. Soil pollution
C. Air pollution
D. Water pollution
16. Which of the following is the major cause of greenhouse effect?
A. Methane
B. Water vapour
C. Chlorofluorocarbons
D. Carbon dioxide
17. Which of the following is NOT a way of controlling land pollution?
A. Encouraging the production of more plastics
B. Recycling of non-biodegradable products
C. Converting biodegradable materials to organic manure
D. Enforcement of Government laws against dumping of refuse
18. Smog is a mixture of
A. smoke and fog
B. smoke and sand
C. water droplet and acid
D. fog and wind
19. Which region of the atmosphere is ozone found?
A. Troposphere
B. Stratosphere
C. Exosphere
D. Thermosphere
20. Which of the following is a major source of sulphur(IV) oxide in the atmosphere?
A. Oceans
B. Farmlands
C. Factories
D. Schools
