How many elements are present in the group of the 18th Modem Periodic Table?
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Which among the following is an endothermic reaction?
Turquoise is an ore/mineral of
What is the name of the acid in grapes?
Atomic bomb is based on which of the following principle?
The Chemical formula of Ammonium sulphate is
Which of the following elements has the electronic configuration 2, 8, 3?
A change in which a substance undergoes a change in its physical properties is called _____________.
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