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“listen to news” instead of “listen news” In the days before the advent of television, the radio brought the family together to listen to news, music and drama.
The product of the equivalent weight and valency of an element equals its ______.
Anemometer is used to measure –
The common name of hydrogen peroxide is:
Heat stored in water vapour is –
What happens to a liquid, when the vapour pressure equals the atmospheric pressure?
The process of converting a solid directly into its vapor is called:
Water from soil enters into the root hairs owing to :
Which of the following is the hardest mineral?
Statement I: Glass is not considered as a true compound. Statement II: Glass does not have a definite melting point.
Codes:
Which gas is evolved during the reaction of an acid with a metal?