From amongst the metals sodium, calcium, aluminium, copper, and magnesium, name the metal:
(i) which reacts with water only on boiling, and
(ii) another which does not react even with steam.

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Solution

(i) Magnesium reacts with water only on boiling.
(ii) Copper does not react even with steam.

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Similar questions

From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(i) does not react with dilute hydrochloric acid.
(ii) can form 2+ and 3+ ions.
(iii) has a hydroxide that reacts with both acids and alkalis.
(iv) does not react with cold water but reacts with steam when heated.
Arrange the metals in increasing order of reactivity.

Q. From the metals-copper, iron, magnesium, sodium and zinc-select a different metal in each case which :
(a) does not react with dilute hydrochloric acid.
(b) can form 2⁺ and 3⁺ ions.
(c) has a hydroxide that reacts with both acids and alkalis.
(d) does not react with cold water, but reacts with steam when heated.

From the metals: copper, iron,magnesium, sodium, and zinc, select a different metal in each case which:

(a) does not react with dilute hydrochloric acid,

(b) can form $2^{+}$ and $3^{+}$ ions,

(d) does not react with cold water but reacts with steam when heated.

(e) Arrange the above metals in their decreasing order of reactivity.

(a) Name a metal for each case:
(i) it does not react with cold as well as hot water but reacts with steam.
(ii) It does not react with any physical state of water.

(b) When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?

Q. Name the following: A metal which does not react with cold water but reacts with steam.

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From amongst the metals sodium, calcium, aluminium, copper, and magnesium, name the metal: (i) which reacts with water only on boiling, and (ii) another which does not react even with steam.

(i) Magnesium reacts with water only on boiling. (ii) Copper does not react even with steam.

From amongst the metals sodium, calcium, aluminium, copper, and magnesium, name the metal:
(i) which reacts with water only on boiling, and
(ii) another which does not react even with steam.

(i) Magnesium reacts with water only on boiling.
(ii) Copper does not react even with steam.