Chemistry MCQs

Page No. 58

Which of the following processes is used for the synthesis of cement ?


adry process

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bwet process

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cboth

✓


dnone

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View Answer both

Calcarious material includes_________________?


alime stone

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bmarble

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cchalk

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dall of the above

✓


View Answer all of the above

DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients?


a60%

✖


b65%

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c70%

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d75%

✓


View Answer 75%

The cooling of molten urea by air in the tower is called______________________?


aprilling

✓


bevaporation

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ccondensation

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dcrystallization

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View Answer prilling

Addition of urea to the soil is ____________ reaction?


aendothermic

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bexothermic

✓


cBoth A and B

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dno heat energy is involved

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View Answer exothermic

The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?


astraight

✓


bcompound

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cBoth A and B

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dnone of the above

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View Answer straight

The fertility of the soil is improved by________________?


aRotation of the crops

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bAdding lime to the acid salts

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cAdding manure and growing legumes

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dAll

✓


View Answer All

Nucleic acids direct the synthesis of__________________?


aGlucose

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bTriglycerides

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cProteins

✓


dAll

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View Answer Proteins

Purines and pyrimidines are__________________?


aEnzymes

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bNitrogenous bases

✓


cCarbohydrates

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dLipids

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View Answer Nitrogenous bases

Rate of enzymatic reaction is directly proportional to the concentration of___________________?


aEnzyme

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bSubstrate

✓


cEnzyme and substrate

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dEnzyme and product

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View Answer Substrate

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