Chemistry GK in English Quiz 6

Chemistry GK in English Quiz 6 has 10 questions. For correct answer you will get 3 marks & for wrong answer -1 (minus 1) mark. After submitting Answer sheet, you can check right and wrong answers as well as your total marks.

All the Best !!

1. Brownish film formed on iron when left in open is called?

A.Dust

B.Shovel

C.Spade

D.Rust

2. In which one of the following situations a chemical reaction does not occur?

A.Common salt is exposed to air

B.Coal is burnt in air

C.Sodium is placed in water

D.Iron is kept in moist air

3. Which is iodised table salt?

A.An element

B.A compound

C.A heterogenous mixture

D.A homogenous mixture

4. A molar solution is one that contains one mole of a solute in

A.100 gm of the solvent

B.1000 ml of the solution

C.one litre of the solvent

D.22.4 litres of the solution

5. Alkenes were earlier known as

A.Paraffins

B.Titoffins

C.Olefins

D.Meloffins

6. pH of water is

A.4

B.7

C.12

D.0

7. Which one of the following elements shows variable equivalent mass?

A.Zinc

B.Silver

C.Calcium

D.Iron

8. Bleaching action of chlorine is by

A.Oxidation

B.Reduction

C.Hydrolysis

D.Decomposition

9. Which component in tobacco makes it harmful for human consumption

A.Morphine

B.Nicotine

C.Heroin

D.None of these

10. UV rays coming from Sun, majorly causes which cancer?

A.Lungs cancer

B.Liver cancer

C.Mouth cancer

D.Skin cancer

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