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प्रश्न
Give an example of a reaction where the following are involved
Electricity
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उत्तर
\[\ce{2H2O->[Electricity] 2H2 + O2}\]
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संबंधित प्रश्न
Fill in the blanK
A .............is a substance which changes the rate of a chemical reaction without undergoing a chemical change.
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Compounds, which in their molten state allow an electric current to pass through them are called
- electrolytes
- non-electrolytes
- non-conductors
- none of these
TRUE \ FALSE
Positively charged electrode is called the anode. True or false ?
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.
State the conditions necessary for a chemical change or reaction.
State the type of reactions for the following represent and balance the ones that are not balanced.
NaOH + HCl → NaCl + H2O
What do you observe? When
Water is added to the quick lime.
Complete and balance the following reaction:
\[\ce{Pb(NO3)2 ->[\Delta]}\]
Chemists identify gypsum as a natural indicator.
