Question

5. Charged particles
Physical change
D. Answer the following briefly.
1. Explain chemical change with an example
2. What is a chemical reaction? Give an example
3. Are lemonade and soil mixtures? Explain
4. Write the formula of Calcium carbonate with steps
5. Give a chemical reaction to represent a Displacement reaction.
E. Answer the following.
1. Differentiate between
8. Combination and Decomposition reaction
b. Physical and chemical changes
2. Explain neutralisation reaction with an example,
3. Give two differences between an element and a compound, using suitable
examples
4. Give chemical symbols of these elements​

Answer 1

Answer:

chemical reaction to represent a Displacement reaction.

E. Answer the following.

1. Differentiate between

8. Combination and Decomposition reaction

b. Physical and chemical changes

2. Explain neutralisation reaction with an example,

3. Give two differences between an element and a compound, using suitable

examples

4. Give chemical