Chemistry Quiz

1. Who discovered Sodium?

A.

Antoine Lavoisier


B.

Joseph Black


C.

Marie Curie


D.

Humphry Davy




2. Which one of the following is not a noble gas?

A.

Neon


B.

Nitrogen


C.

Argon


D.

Radon




3. What is the common name of sodium chloride?

A.

Washing Soda


B.

Baking Soda


C.

Salt


D.

Vinegar




4. Which metal's salt is sensitive to light?

A.

Copper


B.

Silver


C.

Aluminium


D.

Gold




5. What is the symbol of chemical element strontium?

A.

S


B.

St


C.

Sm


D.

Sr




6. Which is the purest form of Iron?

A.

Steel


B.

Cast iron


C.

Wrought iron


D.

Pig iron




7. What is the valence number of hydrogen?

A.

1


B.

2


C.

3


D.

4




8. What are the chemical elements in group 17 of the periodic table called?

A.

Chalcogens


B.

Halo­gens


C.

Pnicto­gens


D.

Alkali metals




9. What is the main component of blackboard chalk?

A.

Calcium carbonate


B.

Sodium chloride


C.

Calcium hydroxide


D.

Calcium oxide




10. Name the world's first artificial nuclear reactor?

A.

Experimental Breeder


B.

X-10 Graphite


C.

Chicago Pile-1


D.

Apsara




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