chemistry Solutions Test 10

1. Barium nitrate is used in signal flares and fireworks that burns in bright ______ colour.

2.The mineral Carnotite is an important source of:

3.The mineral named ‘Calaverite’ is a telluride mineral containing:

4.. ______ is the process of allowing particles in suspension in water to settle out of the A suspension under the effect of gravity.

5.______ is a process in which impure water is boiled and the steam is collected and condensed in a separate container, leaving many of the solid contaminants behind.

6.Solubility of gases in liquids _____ with decrease in temperature.

7.Which among the following is NOT true about a solution and the solute concerned?

8. ____ Law of independent migration of ions states that limiting molar conductivity of an electrolyte can be represented as the sum of the individual contributions of the anion and cation of the electrolyte.

9. ______ are homogeneous mixtures of two or more components.

10.Which one of the following can be categorised as a solution?

11. ____is one of the most important techniques for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.