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Questions and Answers
What is the main composition of glass?
What is the main composition of glass?
- Thiosulfate-N
- A Black container ingen
- Prussian blue ferie fexicogenide (correct)
- NSS-M
What substance is added to glass to improve its coefficient of expansion?
What substance is added to glass to improve its coefficient of expansion?
- Prophoni 34-38%
- bar P
- MnO2 (correct)
- E 95-98%
Which ore is likely to contain manganese?
Which ore is likely to contain manganese?
- B (correct)
- Cryolite
- Cinnabar
- Bauxite
What serves as a co-factor for pyruvate dehydrogenase?
What serves as a co-factor for pyruvate dehydrogenase?
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What is chemically known as native hydrated aluminum silicate?
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?
What alloy is described by 25% Pb, 25% Sn, and 50% Bi?
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Which type of water prevents soap from lathering?
Which type of water prevents soap from lathering?
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What causes temporary hard water?
What causes temporary hard water?
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Which transition triad contains the standard catalyst used in hydrogenation of alkenes?
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?
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?
Which of the following is NOT a cation belonging to group V?
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Which element is the most abundant extracellular cation?
Which element is the most abundant extracellular cation?
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