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The correct answer is B
The chemical bahaviour of an atom depends upon
The most reactive among the halogens is
Which mineral is the ore Of aluminium?
Which gas is used for converting vegetable oils into saturated fats?
When Hydrogen starts burning in air it produces?
The electronic configuration of an atom having atomic number 20 is
Spirit in contact with body gives cool sensation because it is:
When water itself combines chemically with some element or mineral it is called
Which of the following is used to increase the antiknocking property of petrol?
Natural rubber is the polymer of:
