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Dry ice is ?
A. Solid carbon dioxide
B. Ice dust
C. Liquified nitrogen
D. Liquified hydrogen

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Neil Armstrong was the first person to reach on the moon. While walking on the moon
A. His mass remained the same but weight increased
B. His mass remained the same but weight decreased
C. His mass as well as weight decreased
D. His mass increased but weight remained the same

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Distance of stars is measured in
A. Light years
B. Kilometres per second
C. Kilometres only
D. Nautical miles

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The deficiency of Vitamin D causes
A. Rickets
B. Night blindness
C. Pellagra
D. Scurvy

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Isotopes of the same element differ in the number of
A. Protons
B. Neutrons
C. Electrons
D. Positrons

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Who is regarded as the greatest lawgiver of ancient India ?
A. Megasthanese
B. Panini
C. Manu
D. Kautilya

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