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प्रश्न
Select the correct answer for the following options:
The basic gas obtained when two gases react in presence of a catalyst and the reaction is exothermic.
पर्याय
Hydrogen
Copper [II] oxide
Oxygen
Copper [II] hydroxide
Ammonia
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उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
Explain the term reactant and product giving examples.
Give an example of a reaction where the following are involved
Electricity
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
What do you observe? When
Sodium chloride solution is added to silver nitrate solution.
Give an example of the following chemical changes.
A reaction where colour change is noticed.
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
Name affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
State the following reaction represent oxidation or reduction.
\[\ce{Fe++->Fe+++}\]
State whether the following reaction is oxidation or reduction.
\[\ce{Na->Na+}\]
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Zinc carbonate.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Calcium hydroxide.
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
Analogy:
H2O: Water:: NaCl: ______.
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings
Which is used as a catalyst during the process of hydrogenation of oils?
Both CO2 and H2 gases are ______.
______ is the chemical name of rust.
______ is the chemical name of slaked lime.
