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Chemistry QUESTIONS

Exam NameChemistry QUESTIONS
DescriptionChemistry QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS
Exam TypeMASTER EXAM
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creatorAnirudh(39048)
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Question: Which of the following metals react with nitrogen to form nitride ?



Question: The term ‘enzyme’ was coined by --

Answer:Kunhe


Question: Which set of conditions represents easiest way to liquify gas ?

Answer:Low temperature, high pressure


Question: Artificial rain is caused by spraying small pellets of which of the following over clouds ?

Answer:NaOH


Question: Galvanisation is deposition of --

Answer:Zinc of iron


Question: Equal volumes of different gases at any definite temperature and pressure have --

Answer:equal no. of molecules


Question: Milk is an example of --

Answer:emulsion


Question: Which of the following modes of expressing concentration is independent of temperature --

Answer:Molality


Question: If temperature is kept constant during the reaction the process is called --

Answer:Isothermal


Question: Cholera is caused by --

Answer:vibrio cholerae


Question: Why do colloidal substance do not deposited below ?

Answer:Specific gravity is less


Question: Lightening cause rainfall because --

Answer:It activate H2O molecule


Question: Nitrification means --

Answer:Convert the atmospheric nitrogen to effective nitrogen compound.


Question: Cell membrane is --

Answer:semipermeable


Question: Cholesterol is one kind of --

Answer:Saturated fatty acid


Question: Ethyl-alcohol is mixed completely with water. How ethyl alcohol is separated from the mixture ?

Answer:partial-distillation


Question: White vitriol is --

Answer:ZnSO4, 7H2O


Question: C.T. Scanning uses --

Answer:Ultrasound waves


Question: Chemically ‘speropolenin’ is a / an --

Answer:co-polymer of carotinoid and fatty acid


Question: A mixture of salt and sand can be separated by --

Answer:Dissolving water