Daily Chemistry Quiz for Group IV Exam : 26/03/2019

1) Dry ice

a)Water

*b) solid carbon dioxide

c)sodium hydroxide

d) acetic acid

2) Which of the following is a Laxative?

a)Gypsum

*b) Epsom

c)Baking Soda

d) Tartar emetic

3) According to Mendeleef’s periodic law properties of element are periodic functions of their

a)atomic number

b) atomic volume

c)valency

*d) atomic weight

4) Which of the following elements exhibit allotropy?

a)Silver

b)Gold

*c)Tin

d) Aluminium

5) Acetyl Salicylic acid is commonly used as

a)Tear gas

b) Fertilizer

*c)Pain killer

d) Sedative

6) Which one of the following is a mixture?

a)lime

b) Table salt

c)Sugar

*d) Sea water

7) Hypo used in photography is chemically

a)Silver bromide

*b) Sodium thiosulphate

c)Sodium phosphate

d) Silver nitrate

8) Natural Rubber is a polymer of

a)Ethylene

*b) Isoprene

c)Buna – N

d) Buna – S

9) LPG contains a mixture of

*a)Butane + Propane

b) Butane + Ethylene

c)Propane + Ethane

d) Methane + Butane

10) Duralumin is used for making

a)electrical component

b) household utensils

*c)aircraft components

d) none of these