Q. The molal boiling point constant is the ratio of elevation in boiling point with

View solution

Q. The only metal which exists in liquid state is

View solution

Q. Total percentage of the elements that are metals is

View solution

Q. Artificially prepared elements are

View solution

Q. The symbol of Iron is

View solution

Q. The simplest form of matter which cannot be broken down into simpler substances by chemical means is called

View solution

Q. K is the symbol of

View solution

Q. Till today elements are known

View solution

Q. Depending upon the properties of elements, they can be classified into

View solution

Q. Nitrogen is present in the atmosphere

View solution

Q. The percentage of carbon dioxide in the air is

View solution

Q. They are usually good conductors of electricity and have shining surfaces

View solution

Q. The name element was suggested by

View solution

Q. Solubility of sodium thiosulphate is per 100g of water at 25 °C

View solution

Q. When NaCl is dissolved in water, the temperature of solution

View solution

Q. The factors which affect the solubility of solutes are

View solution

Q. A curve drawn between solubility and temperature is

View solution

Q. The solute and solvent molecules are constantly moving about in solution phase because of

View solution

Q. The unit for solubility of a substance commonly used is

View solution

Q. Solubility principle is

View solution