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प्रश्न
Name the gases which turn moist red litmus blue.
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उत्तर
Basic gases (NH3)
संबंधित प्रश्न
Write the missing reactants and products and balance the equations.
\[\ce{KClO3 ->[heat]}\] ___________+ ____________
Give reason .
A person suffering from acidity is advised to take an antacid.
FILL IN THE BLANK
Negatively charged ions are called ..........
Explain the following reaction with one suitable example of Displacement reaction.
When electric current is passed through acidulated water ______ of water takes place.
Give reason for the following:
Silver nitrate solution is kept in coloured bottles.
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Give examples of exothermic reactions i.e. heat evolved in each of the following:
(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
