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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This salt gives nitrogen dioxide on heating.

AMMONIUM NITRATE
LEAD NITRATE
SODIUM NITRATE
HNO3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The brown ring test is used for the detection of:

CARBONATE
SULPHATE
NITRATE
SULPHITE

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State the salt which on heating does not leave any residue

AgCl
NaCl
NH4NO3
Ca(NO3)2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is released when nitric acid is heated?

N2O
NO2 & O2
NO
NO2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you observe when Cu turnings are heated with conc. nitric acid?

Blue solution
Reddish brown gas
Blue solution & Reddish brown gas
Green solution

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