Question

Find the odd one out. Give scientific reasons for your answer.
1. Change in colour, Evolution of gas, Change in state, Light.
2. Neon, Argon, Boron, Radon.
3. Carbonate, Nitrate, Potassium, Sulphate.
4. Precipitate, Synthesis, Decomposition, Displacement.
5. Melting of ice, Rusting of iron, Digestion of food, Burning of magnesium wire.

ITS URGENT​

Answer 1

Answer:

1. light

2. boron

3. carbo

4. precipitate

5. melting of ice

Answer 2

Answer:

1. light as other 3 are changes that take place in a chemical reaction.
2. boron as other 3 are non metal and boron is an alkali metal.
3. potassium as other 3 are functional groups.
4. synthesis as other 3 are types of reactions.
5. melting as other 3 are chemical changes.

Explanation:

Hope it helped you.