Tag: element, compound and mixture

Questions Related to element, compound and mixture

A concentrated solution contains high amount of ________.

  1. solvent

  2. solute

  3. both solute and solvent

  4. none of these


Correct Option: B
Explanation:

A concentrated solution contains the maximum amount of solute that can be dissolved because solubility depends on temperature, a solution that is concentrated at one temperatureĀ may not be concentrated at a higher temperature.

Which of the following is used as antifreeze on cars for cooling the engine?

  1. $10\%$ (V/V) ethanol solution in water

  2. $35\%$ (V/V) ethanol solution in glycol

  3. $45\%$ (V/V) ethanol solution in glycol

  4. $20\%$ (V/V) ethanol solution in water


Correct Option: A

Which of the following are true solutions?

  1. ENO salt in water

  2. Tomato soup

  3. Aam panna

  4. Filtered black tea


Correct Option: A

If air is taken as a binary solution, the solvent isĀ 

  1. ${N _2}$

  2. ${O _2}$

  3. $C{O _2}$

  4. ${H _2}$


Correct Option: A