1.
Aqua-regia used by alchemists to separate silver and gold is a mixture of
2.
Nail polish remover contains
3.
Which one among the following is a sin smelling agent added to LPG cylinder to help the detection of gas leakage?
4.
Vermicompost is an/a
5.
Which of the following is a good lubricant?
6.
The main constituent of vinegar is
7.
To weld metals together, high temperature is required. Such a high temperature is obtained by burning
8.
Which one is a sublime substance?
9.
A gas can be compressed to a fraction of its volume. The same volume of a gas can be spread all over a room. The reason for this is that
10.
Select the correct order of evaporation for water, alcohol, petrol and kerosene oil