Chemistry
Which of the following is a component of soap?
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German Silver is an alloy of___________?
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Which layer of the atmosphere reflects radio waves back to the earth’s surface?
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The direction of Hindukush is from ?
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Which of the following is a substance?
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The atomic radius decreases in a period due to:
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The ratio of pure gold in 18 carat gold is _______________?
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What animal has longest gestation period of about 640 to 660 days or 95 weeks of any land animal ?
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Who has narrated most Ahadees among the following companions of the Holy Prophet (PBUH)?
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