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प्रश्न
Limestone contains ______ mainly.
विकल्प
calcium chloride
Calcium carbonate
calcium nitrate
calcium sulphate
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उत्तर
Limestone contains Calcium carbonate mainly.
APPEARS IN
संबंधित प्रश्न
Define precipitation reaction.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Hydrogen chloride
Explain,giving one example of the following chemical changes:
Reversible reaction
What is a chemical change? Give two examples of chemical change?
Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
Distinguish by heating the following in dry test tubs.
Ammonium Chloride and iodine.
Select the correct answer for the following options:
The gas obtained when potassium chlorate is heated in the presence of a catalyst.
Give a word equation for the following reaction.
Two solids which combine on heating, to give a liquid.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Calcium hydroxide.
