Test Your Knowledge - Free MCQ PRACTICE
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DRIVINGTEST
A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. Which one of the following is the basis of modern periodic table?
A. Atomic mass
B. Atomic number
C. Atomic size
D. Atomic volume

2. For transition metal octahedral complexes, the choice between high spin and low spin electronic configurations arises only for
A. d1, d2 and d8 complexes
B. d1 to d3 complexes
C. d7 to d9 complexes
D. d4 to d7 complexes

3. The correct set of four Quantum numbers for outermost electron of Potassium (Z = 19) is
A. 4, 1, 0,
B. 4, 0, 0,
C. 3, 0, 0,
D. 3, 1, 0,

4. The wavelength of de-Broglie wave associated with it would be
A. 6.63 10-37m
B. 6.63 10-31m
C. 6.63 10-34m
D. 6.63 10-35m

5. Commercially, the production of ammonia is important because it is used in the
A. manufacture of proteins by polymerization
B. preparation of soaps
C. manufacture of artificial foods
D. production of fertilizers

6. A solution containing 3g of the compound exerts the same osmotic pressure as that of 0.05 M glucose solution. The molecular formula of the compound is
A. CH2O
B. C2H4O2
C. C4H8O4
D. C3H6O3

7. The compound solution in water has a pH value lower than seven is
A. ethanol
B. sugar
C. common salt
D. vinegar

8. Which of the following is not nucleofile?
A. Hydrogen peroxide
B. Boron trifluoride
C. Benzoyl chloride
D. Hydrogen sulfide

9. In vulcanisation, natural rubber is heated with :
A. Carbon
B. Sulphur
C. Silicon
D. Phosphorus

10. Antidote for lead poisoning is
A. nickel
B. cis platin
C. white of egg
D. EDTA

11. Hydroxyl ion concentration of 1M HCl is
A. 1 101mol dm-3
B. 1 1014mol dm-3
C. 1 10-13mol dm-3
D. 1 10-1mol dm-3

12. According to Bayer's strain theory which is highly stable?
A. cyclobutane
B. cyclopentane
C. cycloheptane
D. cyclohexane

13. The product is treated with N&2CO3 solution. The missing reagent in the above reaction is
A. Phenol
B. Methanol
C. NaOH
D. Ethanol

14. Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?
A. q = 0, DT 0, w = 0
B. q 0, DT = 0, w = 0
C. q = 0, DT = 0, w = 0
D. q = 0, DT < 0, w 0

15. The main use of mica is in
A. the steel industry
B. petroleum refining
C. the electrical industry
D. the glass and pottery industry

16. For the given alkane the IUPAC name is
A. 4-ethyl-8-methyl nonane
B. 6-ethyl-2-methyl nonane
C. 2-methyl, -6-propyl octane
D. 1, 1 dimethyl-5-ethyl octane

17. The purest form of water is
A. rain water
B. heavy water
C. tap water
D. distilled water

18. During fermentation of sugar, the chief compound always formed is
A. methyl alcohol
B. ethyl alcohol
C. acetic acid
D. ethylene

19. In the brown ring test, the brown colour of the ring is due to
A. nitrosoferrous sulphate
B. ferrous nitrate
C. ferric nitrate
D. a mixture of NO and NO2

20. a-maltose consists of
A. two b-D-glucopyranose units with 1-4 glycosidic linkage
B. two a-D-glucopyranose units with 1-2 glycosidic linkage
C. one a-D-glucopyranose units and one b-D-glucopyranose unit with 1-2 glycosidic linkage
D. two a-D-glucopyranose units with 1-4 glycosidic linkage

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