nature of matter and composition - Category wise Question and Answer Practice Test with Solutions

Question : 6

Solutions with low concentrations of solutes are

a) solvents

b) dilute

c) concentrated

d) None of these

Question : 7

Kerosene is a mixture of

a) saturated hydrocarbons

b) aromatic hydrocarbons

c) aliphatic hydrocarbons

d) alicyclic hydrocarbons

Question : 8 [CDS]

Vermicompost is an/a

a) organic bio fertilizer

b) inorganic fertilizer

c) toxic substance

d) synthetic fertilizer

Question : 9

Which of the following is considered to be a pure substance?

a) Muddy water

b) Sodium chloride

c) Granite

d) Milk of magnesia

Question : 10 [CDS]

At NTP, the least volume will be occupied by 15 g of which one of the following ?

a) $N_2$

b) N$H_3$

c) $O_2$

d) Ne