Explanation

• The instrument used to measure temperature is called a thermometer.
• A thermometer shows how hot or cold an object or place is.

Additional information:

• Barometer measures air pressure.
• Hygrometer measures humidity (moisture in air).

Last verified on 16-06-2026

Explanation

• Chlorine is commonly used to disinfect drinking water.
• It kills harmful bacteria and many other microorganisms.
• This process is called chlorination.

Last updated 08 Nov 2026 by NA

Explanation

• Diffusion is the process where particles move from an area of high concentration to low concentration.
• Ink spreads evenly in water due to molecular motion, resulting in uniform distribution.

Last verified on 08-11-2026

Explanation

• A Decomposition Reaction is a type of chemical reaction where a single compound breaks down into two or more simpler substances.
• This is the opposite of a Combination Reaction, where two or more substances combine to form a new compound.

Last verified on 07-11-2026

Explanation

• The chemical formula of baking soda is NaHCO₃, which stands for sodium bicarbonate.
• The chemical name of baking soda is sodium hydrogen carbonate or sodium bicarbonate (NaHCO3).
• Sodium bicarbonate is non flammable
• Baking soda is basic in nature.

Last verified on 03-09-2026