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Questions and Answers
What is the main composition of glass?
What substance is added to glass to improve its coefficient of expansion?
Which ore is likely to contain manganese?
What serves as a co-factor for pyruvate dehydrogenase?
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What is chemically known as native hydrated aluminum silicate?
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What alloy is described by 25% Pb, 25% Sn, and 50% Bi?
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Which type of water prevents soap from lathering?
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What causes temporary hard water?
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Which transition triad contains the standard catalyst used in hydrogenation of alkenes?
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Which substance gives a positive blue color in the nitrate test?
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Which of the following is NOT a cation belonging to group V?
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Which element is the most abundant extracellular cation?
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