Light – Reflection and Refraction — Science STD 10 — Question

State whether the following statement is true or false:
The aqueous solution of an ionic compound conducts electricity because there are plenty of free electrons in the solution.

A precipate is a liquid product which seperates the solution during a chemical reaction. [True/ False]

Carbon and its compounds are used as fuels because they burn in air releasing a lot of heat energy. [True/ False]

State whether the following statement is true or false:
Rabbit has eyes which look sideways.

Secondary consumers and tertiary consumers, both are carnivores.

Interbreeding among individuals of different populations of a species maintains a free flow of genes in these populations. [True/ False]

One can identify the nature of a mirror from the nature of the image it forms. [True/ False]

State whether the following statements are true or false:
The value of systolic pressure is always lower than that of diastolic pressure.

The water stored in ground evaporated easily.