Types of Chemical Reactions

Q. The image given below is example of

1. Physical change
2. Chemical Change
3. Brown colour paint
4. Reversible Change

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. 3
2. 4
3. 2
4. 5

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

1. Combination
2. Conduction
3. Decomposition
4. Displacement