d) State your observation for the following cases:
(i) Moist blue litmus paper is introduced into a jar of ammonia.
(ii) Lead nitrate is heated.
(iii) Aluminium is heated with conc. NaOH solution.
(iv) Copper carbonate reacts with dilute sulphuric acid.
(v) Ammonium chloride is heated with sodium hydroxide.
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(a)(i)
Red litmus solution becomes blue in colour.
No change in the colour of litmus solution
No change in the colour of litmus solution
Shake the gas with blue litmus solution
Blue litmus solution becomes red in colour.
No change in the colour of blue litmus solution.
Blue litmus solution becomes red in colour.
Blue litmus solution becomes red in colour
Apply a burning splint to a gas
No reaction.
No reaction.
No reaction.
No reaction.
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