EASY
Earn 100

What happens when Lead oxide reacts with Sodium hydroxide?

Important Questions on Analytical Chemistry

EASY
Which of the following combinations will produce H2 gas?
MEDIUM
Name a reagent that reacts with an amphoteric oxide but not with a basic one.
EASY
Balance the following equation.
 ZnO(S)+ HCl(l)  ZnCl2(aq) + H2O(l)
MEDIUM
The metal oxide which can react with acid as well as alkali is 
EASY
Balance the following equation.
ZnO(S)+NaOH(aq)Na2ZnO2(aq)+H2O(l).
MEDIUM
Name a white metal oxide that dissolves when fused with caustic soda or caustic potash. 
EASY
Balance the following equation:
PbO+NaOH 400°C Na2PbO2+H2O.
EASY
The compound which reacts with both  HCl and NaOH is
HARD

The reagent used to distinguish between Fe(OH)3 and Al(OH)3

MEDIUM
Oxides of zinc and aluminium are _____ in nature. 
MEDIUM
The metal oxide which can react with acid as well as alkali is:
MEDIUM

Name the following:

An oxide, which forms salts when it reacts both with acids and alkalis. 

EASY

Name the following:

A base that is amphoteric in nature. 

EASY
Which of the following dissolves in a hot concentrated solution of NaOH?
MEDIUM
Zinc on reaction with NaOH gives a salt (A) along with a gas (X) and (A) on reaction with a gas (Y) gives white precipitate (W). Which of the following is correct?
MEDIUM

Name the following:

A white metal oxide that dissolves when fused with caustic soda but soluble in excess of ammonium hydroxide.

MEDIUM
Zinc oxide is said to have amphoteric nature, but sodium oxide is not because