The maximum fixation of solar energy is done by
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Haematite is an ore/mineral of
In an acid base reaction which product is produced along with a salt?
Which of the following elements has the lowest melting point?
Pentlandite is an ore/mineral of _______.
Acids that contain Hydrogen and other non-metallic element(s), except Oxygen, are called
Which of the following is a commercial source of energy?
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