Grade 1, 2, & 3 Chemistry: Free Trial*

G. 8 & 9

Chemistry

F. 1, 2, & 3

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G. 8 & 9 / F. 1, 2, & 3

Chemistry: Free Trial*

MCQs

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User NameEmailPhone NumberCountryCountry - Town/City

1 / 10

1. Which of the following is the symbol for copper?

A. Ca

B. C

C. Co

D. Cu

2 / 10

2. Which of the following is the name for group 8 in the periodic table?

A. Alkali metals

B. Alkaline earth metals

C. Halogens

D. Noble gases

3 / 10

3. Which of the following is the symbol for sodium?

A. S

B. Na

C. Sd

D. So

4 / 10

4. Which of the following elements is the odd one out and why?

A. Neon because it is the only element that flashes on and off.

B. Helium because it is a very light element.

C. Krypton because it is used to kill superheroes.

D. Hydrogen because it is not a noble gas.

5 / 10

5. In a solution, the hotter the solvent ...

A. No more of the soluble solid dissolves

B. The slower the solute dissolves

C. The quicker the soluble solid dissolves

D. The less the solute dissolves

6 / 10

6. How would you separate a mixture of iron filings and sulfur?

A. Filter

B. Use a magnet

C. Use a sieve

D. Use tweezers

7 / 10

7. Which of these statements about solids is true?

A. They do not flow

B. They have no definite volume

C. They take the shape of their container

D. They can be compressed easily

8 / 10

8. The state of matter, which has very low density is ...

A. Solution

B. Gas

C. Solid

D. Liquid

9 / 10

9. The name of the most likely compound that is formed when iron burns in sulphur is ...

A. iron sulphate

B. iron oxide

C. sulphuric acid

D. iron sulphide

10 / 10

10. The smallest particle of carbon dioxide $CO_{2}$ is called ...

A. a molecule

B. an ion

C. a proton

D. an atom

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