Question Category: Acids Bases and Salts

Mention the colour changes observed when the following indicators are

(i) Pink solution becomes colourless. (ii) Orange solution changes to pink colour. (iii) Purple solution changes to red...

Which of the following hydroxides is not an alkali —

Copper hydroxide [Cu(OH)2] Reason Copper hydroxide [Cu(OH)2] is an example of insoluble base and it...

Complete the blanks from the list given:
Ammonia, Ammonium,

A solution X turns blue litmus red, so it must contain (i) hydronium ions; another solution Y...

Match the following:
Column A Column B 1.Acid salt E. Sodium hydrogen carbonate. 2.Normal salt C. Sodium carbonate...

Write balanced equation for formation of PbCl2 from Pb(NO3)2 soln.
Pb(NO3)2 + 2NaCl ⟶ PbCl2 + 2NaNO3

A black coloured solid which on reaction with dilute sulphuric
Copper [II] oxide Reason Copper [II] oxide is black in colour and the following reaction...

Solution A is a strong acid
Solution B is a
(i) Solution B — weak acid Reason Weak Acid is an acid which dissociates only...

Write the equation[s] for the reaction[s] to prepare lead sulphate
PbCO3 + 2HNO3 ⟶ Pb(NO3)2 + H2O + CO2 Pb(NO3)2 + Na2SO4 ⟶ PbSO4 + 2NaNO3

Define the following terms — Neutralization
Neutralization — It is the process due to which [H+] ions of an acid react completely...

A: Nitroso Iron [II] sulphate
B: Iron [III] chloride
(i) D: Lead [II] chloride (ii) E: Sodium chloride

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