Exercise : Chemistry MCQ Questions and Answers
Question 1
प्रदूषण नियंत्रण कार्यक्रम का उद्देश्य निम्नलिखित में से किस अपशिष्ट को नदियों में विसर्जन को कम करना है?
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Correct Answer : A. ऑक्सीजन- ह्रासक
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Question 2
The simplest hydrocarbon is
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Correct Answer : D. methane
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Question 3
जीवाणुओं को नष्ट करने के लिए निम्नलिखित में से किस गैस का प्रयोग किया जाता है?
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Correct Answer : A. क्लोरीन
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Question 4
खाद्य परिरक्षण के रूप में सबसे अधिक प्रयोग होने वाला पदार्थ है?
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Correct Answer : B. बेन्जोइक एसिड का सोडियम लवण
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Question 5
The Combined Gas Law equation is
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Correct Answer : A. P1V1T2 = P2V2T1
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Question 6
Which of the following is a Bleaching agent?
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Correct Answer : B. Hydrogen peroxide
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Question 7
The compound used in photography is
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Correct Answer : A. sodium thiosulphate
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Question 8
The formula for cane sugar is
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Correct Answer : D. C12H22O11
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Question 9
बायोगैस बनाने के लिए सामान्यत: प्रयुक्त द्रव्य है?
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Correct Answer : A. पशुओं का अपशिष्ट
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Question 10
Carbogen is used in
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Correct Answer : C. CO poisoning
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