Question

A magnesium strip is burnt. The ash obtained is dissolved in water. What kind of changes are these? Write word equations for these.

May 21, 2024

Answer

These are chemical changes.

Was this answer helpful?

Didn't liked the above answer ?

Text Generation Tool

💡 Some Related Questions

Why do iron articles rust faster in Mumbai than in Delhi?

Distinguish between Exothermic reaction and Endothermic reaction

Distinguish between Physical change and Chemical change.

A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust. a. Do you think rust is different from iron? b. Can you change rust back into iron by some simple methods? c. Do you think formation of rust from iron is a chemical change? d. Give two other examples of a similar type of change.

Give an example of a chemical reaction for each of the following situations: a. A change in colour is observed. b. A gas is evolved. c. Sound is produced. d. Formation of precipitate. e. Change of state from liquid to gas. f. Change of state from gas to liquid.

Give two examples for each of the following cases: a. Physical changes which are reversible. b. Physical changes which are not reversible. c. Chemical changes.

When chemical reaction takes place, what changes accompany the formation of new substances?

Why you are advised not to play with fireworks?

Give example of two substances that can undergo physical and chemical changes, depending upon the conditions.

error: Content is protected !! 💀