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Modern Periodic Table

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Question

Give one example in each case:
A base which does not contain a metal ion.

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Solution

Ammonium hydroxide \(\left(\mathrm{NH}_{4} \mathrm{OH}\right)\) is a base and does not contain any metal ion.

All the elements present in the above formula are non-metals.

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Similar questions

Give one example in each case :

(a) A basic oxide which is soluble in water,

(b) A hydroxide which is highly soluble in water,

(c) A basic oxide which is insoluble in water,

(d) A hydroxide which is insoluble in water,

(e) A weak mineral acid,

(f) A base which is not an alkali,

(g) An oxide which is a base,

(h) A hydrogen containing compound which is not an acid,

(i) A base which does not contain a metal ion.

Q. Give one example in each case:
(a) A basic oxide which is soluble in water.
(b) A hydroxide which is highly soluble in water.
(c) A basic oxide which is insoluble in water.
(d) A hydroxide which is insoluble in water.
(e) A weak mineral acid.
(f) A base which is not an alkali.
(g) An oxide which is a base.
(h) A hydrogen containing compound which is not an acid.

Q. Give one example of a substance which contains: (i) ions only, (ii) molecules only, (iii) both ions and molecules.

Q. Give one example each in which a force does
(a) positive work
(b) negative work, and
(c) zero work.

Define:

(a) Photochemical reaction

(b) Electrochemical reaction.

Give one example in each case.

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Modern Periodic Table

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