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प्रश्न
Define: Compounds
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उत्तर
Compounds are pure substances composed of two or more elements in definite proportion by mass and has properties, entirely different from those of its constituents elements.
Compound, are made up of different types of atoms combined chemically.
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संबंधित प्रश्न
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Name: a Metal Which is brittle
Name: the Hardest Naturally Occurring Substance
Fill in the blank
A metal which is a liquid at room temperature is _______.
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
State five different characteristics of compounds.
Explain the term ‘mixture’.
There are ______ number of known elements.
Elements are the______ form of pure substances.
