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प्रश्न
Define: Compounds
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उत्तर
Compounds : A compound is a pure substance formed by the chemical combination of two or more elements in a fixed ratio by mass.
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संबंधित प्रश्न
Define: Elements-
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
Give the symbol and the number of atoms of the following elements present in zinc chloride.
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Give the symbol of the following element:
Potassium
State the type of element for the following:
Sulphur
Give the formula of the following acid:
Nitric
What does the symbol '→' present in a chemical equation, mean?
What is the rarest natural element on the earth?
