Advertisements
Advertisements
प्रश्न
Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.
उत्तर
`Ca(OH)_2 + 2NH_4Cl -> CaCl_2 + 2H_2O + 3NH_3`↑
APPEARS IN
संबंधित प्रश्न
Which of the following are amphoteric oxides:
MgO, ZnO, P2O3, Al2O3, NO2
Which of the following metal exists in the liquid state?
(a) Na
(b) Ag
(c) Cr
(d) Hg
Name a metal that can be cut with knife
Name:
a non metal which is lustrous
Name:
two metallic oxides which are acidic
Which metals do not corrode easily?
Differentiate between metals and non-metals with reference to –
(a) number of electrons in outer or valence shell
(b) formation of cation and anion
(c) reaction with dilute acids.
Select the appropriate option for the following statement:
The element from the halogen family which is most abundant
The non-metal which conducts electric current is
Pencil lead contains