Question

4. State if the following statements are True or False. Correct the false statements.
i. Water is an important man-made resource.
ii. The human body has about 50 percent of water by weight.
iii. Molecules are closely packed in a gas.
iv. Mercury is a liquid non-metal​

Answer 1

• $\huge\red{\mid{\fbox{\tt(answer)}\mid}}$prepare aqueous solution of various solid salts available in the laboratory. Observe what happens when aqueous solution of sodium hydroxide is added to these. prepare a chart of double displacement reactions based on these observations.

Answer 2

Explanation:

Water is an important natural resource.

The human body has about 70 percent of water by weight.

Molecules are loosely packed in a gas.

Mercury is a liquid metal

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