Chemistry 10TH MCQs Past Paper Sargodha Board 2022 QUIZ

Chemistry 10TH MCQs Past Paper Sargodha Board 2022 QUIZ

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1- For reaction between PCl₃ and Cl₂ to form PCl₅ the units of Kc are:

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2- The conjugate acid of HPO₄²⁻ is:

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3- General formula of alkyl radical is:

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4- Coal gas is mixture of:

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5- A hydrocarbon has molecular formula of C₅H₁₂ - What is the molecular formula of the next member of same homologous series?

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6- Night blindness is because of deficiency of:

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7- Percentage amount of Argon in Air:

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8- Normally rain water is weakly acidic because of:

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9- Just above the Earth's surface is:

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10- Temporary hardness is because of:

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11- Which one of the following gas is used to destroy harmful bacteria in water?

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12- Crude oil is heated in furnace upto:

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