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प्रश्न
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
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उत्तर
Oxygen
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संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
Name: a Metal Which is a Poor Conductor of Electricity.
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Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Differentiate between the terms –
elements, compounds & mixtures.
‘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.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
Give the chemical formula for cane sugar.
