An alloy is an example of
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Metal oxides which react with acids as well as bases are called
Which of the following metals does NOT react with cold or hot water?
Non-metallic character increases from ____.
NaCl is a salt which is made up of
Who was awarded the 2018 Padama Bhushan Award in the field of Art-Music?
A lens has a power +2.0 D. The type of lens and its focal length will be
An archaeological site named Pompeii, is located in which country?