The ligthest metal is –
(A) Li
(B) Fe
(C) Cu
(D) Ag
Elements of d-block are called–
(A) Transition element
(B) Transuranic elements
(C) Metals
(D) Metalloids
Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?
(A) Acetylene
(B) Ethane
(C) Methane
(D) Carbon dioxide
What is the main constituent of a pearl?
(A) Calcium carbonate and magnesium carbonate
(B) Calcium sulphate only
(C) Calcium oxide and calcium sulphate
(D) Calcium carbonate only
One nibble is equivalent to how many bits?
(A) 2
(B) 4
(C) 8
(D) 1
What is the theme of the 5th India International Science Festival?
(A) Science for New India
(B) RISEN India - Research, Innovation, and Science Empowering the Nation
(C) Science for Transformation
(D) Science for the masses
Who won the Paris Masters Title 2019?
(A) Novak Djokovic
(B) Rafael Nadal
(C) Denis Shapovalov
(D) Karen Khachanov
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