chemistry MCQs – Page 23

Practise multiple-choice questions from chemistry for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemistry Mcqs
441. Any substance which accepts H+ is base favours the concept___________________?
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A. Arrhenius

B. Lowrys

C. Lewis

D. None of these

442. The leements in which d or f orbitals are in the process of completion are__________________?
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A. inner transition elements

B. outer transition elements

C. transition elements

D. typical transition elements

443. Which one of the following aqueous solutions will be basic ?
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A. Na2CO3

B. FeCl3

C. NaCI

D. Na2SO4

444. Argillaceous material does not include________________?
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A. marine shells

B. slate

C. blast furnace slag

D. vlay

445. Salt bridge transfers_______________?
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A. anion

B. current

C. ions

D. electrons

446. When the value of Kc is very small then_______________________?
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A. product conc. Is maximum

B. reactant conc. Is minimum

C. reaction is completed

D. reaction is at start

447. Percentage of sulfuric acid in lead accumulator is__________________?
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A. 40%

B. 30%

C. 50%

D. 25%

448. Which of the following cell is not rechargeable ?
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A. Ni-Cd cell

B. Silver oxide cell

C. Fuel cell

D. Lead storage battery

449. The component of solution which is in smaller amount is called_________________?
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A. solvent

B. solute

C. ion

D. phase

450. Which of the following processes is used for the synthesis of cement ?
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A. none

B. dry process

C. wet process

D. both
451. Amylose is__________________?
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A. Soluble in water

B. Insoluble in water

C. Soluble in alcohol

D. Partially soluble in alcohol

452. The sequence of zones in the rotary kiln are as____________________?
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A. burning zone cooling zone decomposition zone

B. dry zone burning zone decomposition zone cooling zone

C. dry zone decomposition zone burning zone cooling zone

D. cooling zone burning zone decomposition zone dry zone

453. Phosphorus helps in the growth of_________________?
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A. stem

B. root

C. seed

D. leave

454. Triglycerides are easily hydrolyzed by enzymes called_________________?
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A. Hydrolases

B. Ligases

C. Lyases

D. Lipases
455. The composition of mixture of clay and lime stone in the raw for cement material is __________________?
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A. 15% lime stone and 55% clay

B. 75% lime stone and 25% clay

C. 25% lime stone and 75% clay

D. 55% lime stone and 15% clay

456. The process of polymerization was classified by___________________?
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A. W. H. Carothers

B. Strecker

C. Sabatier

D. Runge

457. Greater value of standard reduction potential smaller will be tendency______________?
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A. to form positive ions

B. to form negative ions

C. gain electrons

D. all are possible

458. Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?
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A. unsaturated solution

B. super saturated solution

C. solubility

D. saturated solution

459. Unit of rate of reaction is_________________?
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A. Moles dm-3 sec-1

B. Mol-1 dm3 sec-1

C. Moles sec-1

D. Moles dm-3

460. Which of the following can form a chealate______________________?
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A. ammine

B. cyano

C. carbonyl

D. oxalato