An emulsion is a colloid of a
1). gas in a liquid
2). liquid in a liquid
3). liquid in a gas
4). gas in a solid
1. Atomic number of which of the following elements is greater than that of Magnesium
3. Atomic number of which of the following elements is greater than that of Fluorine?
4. Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
5. An electric iron has a heating element made of :
6. Vinegar is an aqueous solution of
8. Two elements which can form a large number of compounds are
9. Sulphur dioxide level in the atmosphere can be reduced by using