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प्रश्न
What is a chemical reaction?
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उत्तर
A chemical reaction is the process of breaking the chemical bonds of the reacting substances (reactants) and making new bonds to form new substances (products).
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संबंधित प्रश्न
Complete and balance the following chemical equations:
Ba`"CI"_2` + `"H"_2"SO"_4` `→`
(aq.) (aq.)
What are homogenous reactions ?
Fill in the blank:
The basic conditions necessary for a chemical reaction is _______
Give reason for the following:
Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Complete and balance the following reaction:
\[\ce{Pb(NO3)2 ->[\Delta]}\]
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
What changes do you expect?
The chemical name of baking soda is sodium bicarbonate.
______ is the chemical name of limestone.
