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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
Define Elements.
Fill in the blank
The most abundant element in the earth’s crust is _______.
Write the names of elements from the following symbol:
Br
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
Select the correct answer from A, B, C, D & E for the statement given below :
A noble gas.
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Classify the substances given in Fig. 2.2 into elements and compounds
Higher-Order Thinking questions:
Why is hydrogen considered an element?
