Advertisements
Advertisements
प्रश्न
Write the chemical reaction where the following changes are observed.
Physical state is changed
Advertisements
उत्तर
\[\ce{Nh3_(_g_) + HCI_(_g_) ⇌ NH4CI_(_s_)}\]
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Evaporation of water is a physical change. True or false ?
TRUE \ FALSE
The evolution of a gas during a chemical reaction is shown by an arrow pointing downwards. True or false ?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Oxygen is a ______ in respiration.
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
Write the chemical reaction where the following changes are observed.
Colour change is noticed
Name the gases which turn moist red litmus blue.
Select the correct answer for the following options:
The black residue obtained on heating copper carbonate.
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
What happens when cane sugar is strongly heated? Mention any two changes in it.
How can we prevent rusting?
