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Ores and Minerals

Nitrates of a...

Question

Nitrates of all metals are __________________.

A

unstable

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B

colored

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C

insoluble in water

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D

soluble in water

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Solution

The correct option is D soluble in water
All inorganic nitrate salts are soluble in water at standard temperature and pressure e.g. inorganic nitrate salt is potassium nitrate.

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Similar questions

Q. Metals are usually not found as nitrates in their ores. Out of the following two (

a

b

) reasons which is /are true for the above observation?

(a) Metal nitrates are highly unstable
(b) Metal nitrates are highly soluble in water

Metal nitrates are usually not found as nitrates in their ores because they are highly soluble in water.

(a) Metal nitrates are highly unstable

(b) Metal nitrates are highly soluble in water

Q. Name the following:
(a) a green coloured carbonate.
(b) a steel grey coloured solid non-metal.
(c) a nitrate which has no water of crystallization.
(d) a sulphate insoluble in water.

Q. Name the following:
(a) a non-metal present in steel
(b) a metal which reacts vigorously with cold water
(c) a non-metal used to vulcanise rubber
(d) a metal stored in oil
(e) a metal that becomes black in the presence of hydrogen sulphide
(f) the gas released when metals react with water
(g) a metal that replaces silver from silver nitrate
(h) a metal used for galvanising iron
(i) a metal that will displace copper from copper sulphate solution
(j) a noble metal

Q. Name: [5 MARKS]
(a) a nitrate of metal which on heating does not give nitrogen dioxide.
(b) a nitrate which on heating leaves no residue behind.
(c) a metal nitrate which on heating is changed into metal oxide.
(d) a metal nitrate which on heating is changed into metal.
(e) a solution which absorbs nitric oxide.

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