Given below are some activities and observations done by a student using samples of dilute rice water, salt water, and muddy water.

Complete the table with the missing observations.

Classify dilute rice water, salt water, and muddy water samples into solution, colloid and suspension.

Some apparatus and chemicals are given. Zn, Mg, dilute HCl, CaCO_3 test tube, water. Write the equations for the chemical reactions.

Some apparatus and chemicals are given. Zn, Mg, dilute HCl, CaCO_3 test tube, water. Write the expression for the rate of the reaction.

You may have observed droplets of water at the tip of the leaves of grasses during early morning. Your sister told its dew drop. As a science student do you agree with her? Explain. Compare this with the process of transpiration.

A students observation is given below: When Zn is put in salt solution, Na gets deposited over Zn, Au reacts with water vapour and hydrogen gas is formed, Al reacts with acid and forms hydrogen gas, Mg reacts with hot water and forms hydrogen gas: Which statements are incorrect?