Question

Give a reason for each of the following.
If you touch a mixture of baking soda and citric acid, it feels cold.
2. Applying basic calamine solution on a bee sting, relieves the pain.
3. Carbon dioxide is an acidic oxide.
4. Jron with sulphur is a combination reaction.
5. Potassium with hydrochloric acid is a displacement reaction.​

Answer 1

Answer:

1 when baking soda and citric acid is mixed it form a reaction and it performs a characteristic of laten heat of evaporation as CO2 is released

2 as basic calamine solution contains a mild base it nuterlises the bee sting (methanoic acid).

3 as it is mixed with water it produces a acidic substance

4 i cant understand the spelling

5 its a nuterlisation reaction