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Chemistry Quiz for Competitive Exams

Q1.Which principle Hydrogen bomb is based on?
हाइड्रोजन बम किस सिद्धांत पर आधारित है?

Q2.Brass gets discoloured in the air because of the presence of which gases?
पीतल किस गैस की उपस्थिति के कारण हवा में विलीन हो जाता है?

Q3.What is the structure of IF7?
IF7 की संरचना क्या है?

Q4.Name the enzyme that converts glucose to ethyl alcohol?
ग्लूकोज को एथिल अल्कोहल में परिवर्तित करने वाले एंजाइम का नाम बताइए?

Q5.An element X forms an oxide XO3 What is the valency of X?
एक तत्व X एक ऑक्साइड बनाता है XO3 X की वैधता क्या है?

Q6.In isotopes the number of neutrons is?
समस्थानिकों में न्यूट्रॉन की संख्या कितनी होती है?

Q7.What is the formula for The density of the gas?
गैस के घनत्व का सूत्र क्या है?

Q8.What happens when TEL (Tera Ethyl Lead) is added to petrol?
क्या होता है जब TEL (Tera Ethyl Lead) को पेट्रोल में मिलाया जाता है?

Q9.Heavy metal pollution of water is caused by?
भारी जल का धातु प्रदूषण किसके कारण होता है?

Q10.Who gave The law of relative lowering of vapor pressure?
वाष्प दाब के सापेक्ष कम होने का नियम किसने दिया था?

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