MCQs On Water Or Hydride Of Oxygen

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Water Or Hydride Of Oxygen Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Water Or Hydride Of Oxygen

1. Water is oxidised to oxygen by
(a) H2O2
(b) KMnO4
(c) ClO2
(d) fluorine

Answer

Answer: (d)


2. The H-O-H bond angle in a water molecule is about
(a) 90o
(b) 105o
(c) 135o
(d) 180o

Answer

Answer: (b)


3. The action of water or dilute mineral acids on metals can give
(a) tritium
(b) dihydrogen
(c) trihydrogen
(d) mono hydrogen

Answer

Answer: (b)


4. Reaction of potassium with water is
(a) hydrolysis
(b) absorption
(c) exothermic
(d) Endothermic

Answer

Answer: (c)


5. Water softening by Clarke’s process uses
(a) potash alum
(b) calcium bicarbonate
(c) calcium hydroxide
(d) sodium bicarbonate

Answer

Answer: (c)


6. A variety of water which contains soluble salts of Ca and Mg is known as
(a) soft water
(b) heavy water
(c) conductivity water
(d) hard water

Answer

Answer: (d)


7. Oxygen does not react with
(a) Na
(b) P
(c) Cl
(d) S

Answer

Answer: (c)


8. The gas O3 (ozone) cannot oxidise
(a) KI
(b) FeSo4
(c) KMnO4
(d) K2MnO4

Answer

Answer: (c)


9. The molarity of pure water at 277K is
(a) 1M
(b) 5M
(c) 55.5M
(d) 2.5M

Answer

Answer: (c)


10. Which one of the following substances has the highest proton affinity?
(a) NH3
(b) H2O
(c) PH3
(d) H2S

Answer

Answer: (a)


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