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प्रश्न
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
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उत्तर
The substances formed as a result of a chemical reaction are called products .
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संबंधित प्रश्न
How do the following help in bringing about a chemical change?
heat.
Fill in the blank
A catalyst either ................or ............... the rate of a chemical change but itself remains ............... at the end of the reaction.
Write the missing reactants and products and balance the equations.
\[\ce{KClO3 ->[heat]}\] ___________+ ____________
Write the missing reactants and products and balance the equations.
................+ HCI `→` NaCI + `"H"_2"O"` + .........................
FILL IN THE BLANK
On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.
TRUE \ FALSE
Ammonia is a good oxidizing agent.
TRUE \ FALSE
Positively charged electrode is called the anode. True or false ?
Define chemical reaction.
Fill in the blank:
In some chemical reactions an insoluble ________ is formed when two solutions are mixed.
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Give an example of a reaction where the following are involved
Pressure
Give an example of the following chemical change.
Two solids combine to form a liquid
Write the chemical reaction where the following changes are observed.
Precipitate is formed
Complete and balance the following reaction:
Pb(NO3)2 + KI →
Distinguish by heating the following in dry test tubs.
Zinc nitrate and copper nitrate.
Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
Select the correct answer for the following options:
The gas which reacts with oxygen to give a neutral liquid.
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Ammonium dichromate.
Burning of paper is the best example of ______ change.
