Types of Chemical Rxn

Q.

Which solution makes the white precipitate of silver chloride soluble in it?

Q.

What is redid reaction?Give an example, why is the melting point of ice formed from tap water is below 0 degree celcius?

Q.

${\mathrm{NaHCO}}_3$ on heating gives?

Q.

Baking soda on thermal ___ gives sodium carbonate, water and carbon dioxide.

Q. Which of these is not a type of chemical reaction?

1. Redox
2. Evaporation
3. Decomposition
4. Displacement

Q. How many types of chemical reactions are there?

1. 5
2. 2
3. 3
4. 4