Question

1.
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HORT ANSWER QUESTIONS
Define a chemical reaction. What happens during a chemical reaction? What do
you understand by chemical bond?
2. Give one example of a chemical reaction for the given characteristics:
(a) Evolution of gas
(b) Change of colour
(c) Change in state
(d) Formation of precipitate
3. Define the following:
(a) Amphoteric oxides
(b) Neutralisation reaction
(c) Redox reaction
(d) Reactivity series
4. How will you obtain the following? Give balance equations for the reactions:
(a) Magnesium oxide from magnesium
(b) Silver chloride from silver nitrate
(c) Nitrogen dioxide from lead nitrate
(d) Zinc chloride from zinc
(e) Ammonium hydroxide from ammonium chloride
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Answer 1

Answer:

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