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प्रश्न
Give an example of the following chemical change.
Two gases combine to form white solid
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उत्तर
\[\ce{Nh3_(_g_) + HCI_(_g_) ⇌ NH4CI_(_s_)}\]
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संबंधित प्रश्न
Complete and balance the following chemical equations:
Ba`"CI"_2` + `"H"_2"SO"_4` `→`
(aq.) (aq.)
Write the missing reactants and products and balance the equations.
NaOH + ............... `→` NaCI + ...................
FILL IN THE BLANK
On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.
FILL IN THE BLANK
Distillation is a method of obtaining pure ............. from a solution.
State what you would observe when the following substance is heated in a glass test tube Copper (II) carbonate Red lead .
What do you observe? When
Barium chloride is added to sodium sulphate solution
What do you observe when H2S is passed through a lead nitrate solution.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to calcium carbonate.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
