Chemistry Quiz on Water Or Hydride Of Oxygen for IIT JEE, NEET, Medical & Engineering Exam 2021

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Chemistry Quiz on Water Or Hydride Of Oxygen
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Chemistry Quiz on Water Or Hydride Of Oxygen

Chemistry Quiz on Water Or Hydride Of Oxygen: NEET/JEE Chemistry is considered to be the most scoring subject. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry. In this post we are providing you Chemistry quiz on Water Or Hydride Of Oxygen.

Chemistry Quiz on Water Or Hydride Of Oxygen

 

Q1. Reaction of potassium with water is __________.
a) Absorption
b) Exothermic
c) Endothermic
d) Hydrolysis

View Answer

b) Exothermic

Q2. Oxygen does not react with
a) P
b) S
c) Cl
d) Na

View Answer

c) Cl

Q3. Water softening by Clarke’s process uses _______.
a) Calcium hydroxide
b) Calcium bicarbonate
c) Potash alum
d) Sodium bicarbonate

View Answer

a) Calcium hydroxide

Q4. The molarity of pure water at 277K is _______.
a) 1 M
b) 5 M
c) 55.5 M
d) 22.5 M

View Answer

c) 55.5 M

Q5. The action of water or dilute mineral acids on metals can give _________.
a) Dihydrogen
b) Trihydrogen
c) Tritium
d)  Mono hydrogen

View Answer

a) Dihydrogen

Q6. The gas O3 (ozone) cannot oxidise ________.
a) KI
b) FeSo4
c) KMnO4
d) K2MnO4

View Answer

c) KMnO4

Q7. Water is oxidised to oxygen by _________.
a) H2O2
b) ClO2
c) KMnO4
d) Fluorine

View Answer

 

Q8. Which one of the following substances has the highest proton affinity?
a) H2O
b) H2S
c) PH3
d) NH3

View Answer

d) NH3

Q9. A variety of water which contains soluble salts of Ca and Mg is known as ________.
a) Conductivity water
b) Hard water
c) Heavy water
d) Soft water

View Answer

b) Hard water

Q10. The H-O-H bond angle in a water molecule is about ______.
a) 90o
b) 105o
c) 180o
d) 210o

View Answer

b) 105o

 



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