Analyse the table given below and answer the questions. Metal Cold w

1.	Analyse the table given below and answer the questions. Metal Cold water + Phenolphthalein Hot water + PhenolphthaleinReaction with MgSO4 Solution A No colour Pink colour Displacement reaction takes place B No colour No colour No reaction C Pink colour Pink colour Displacement reaction takes placea. Find out the metals which are likely to be A, B and C from the box given below.Ca Cu Mgb. Write down the chemical equation between metal ‘B’ and water.
Answer» a. A – Mg, B – Cu, C – Ca b. Cu (s) + 2H₂O (l) → Cu OH₂(aq) + H₂(g)

Analyse the table given below and answer the questions. Metal Cold water + Phenolphthalein Hot water + PhenolphthaleinReaction with MgSO4 Solution A No colour Pink colour Displacement reaction takes place B No colour No colour No reaction C Pink colour Pink colour Displacement reaction takes placea. Find out the metals which are likely to be A, B and C from the box given below.Ca Cu Mgb. Write down the chemical equation between metal ‘B’ and water.

Answer»

a. A – Mg,

B – Cu,

C – Ca

b. Cu (s) + 2H₂O (l) → Cu OH₂(aq) + H₂(g)

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