Chemistry Class 10th
361. On the basis of atmospheric variation, the number of atmospheric regions are:
A) Five
B) Two
C) Three
D) Four
362. Almost _______ of the earth is covered by water.
A) ¼
B) 1/3
C) 2/3
D) ¾
363. Water found in the ocean is in ______ form.
A) Fresh
B) Saline
C) Saline but Drinkable
D) Varies according to the region
364. Human Body is composed of ______ % water.
A) 20-30
B) 30- 40
C) 40- 50
D) 60-70
365. Human blood Plasma posses ______ water.
A) 40%
B) 55%
C) 60%
D) 92%
366. On earth, water is present in ______ forms.
A) One
B) two
C) three
D) Water is not present
367. ________ is universal solvent.
A) Benzene
B) Water
C) Grease
D) Honey
368. The most abundant resource on earth is:
A) Wood
B) Fossil Fuel
C) Water
D) Minerals
369. The estimated amount of water on earth is:
A) 1 billion Cubic Km
B) 1.33 Billion Cubic km
C) 2 Billion Cubic km
D) 3 billion Cubic km
370. The oceans contain _____ of the total water of earth.
A) 30%
B) 46%
C) 87%
D) 97%
371. Most of the freshwater is in the form of:
A) Icesheets
B) Underground Aquifers
C) Water Vapours
D) Lakes
372. The heat required to convert Solid into Liquid and Liquid into Vapor is called:
A) Direct heat
B) Melting Heat
C) Latent heat
D) None of the above
373. Earth is the only planet that has water.
A) True
B) False
374. We excrete our body waste by the help of Urination and Sweating.
A) True
B) False
375. Running water is used to generate electricity:
A) True
B) False
376. Water is a compound of :
A) Hydrogen
B) Oxygen
C) Carbon
D) Both A and B
377. ______ was the person who discovered that water is not an element.
A) Fleming
B) Telsa
C) Marie Curie
D) Henry Cavendish
378. Composition of Water can be determined by:
A) Volume
B) Mass
C) Both A and B
D) None of the above
379. The amount of heat required to raise the temperature of 1 g of Water to 10C.
A) Latent Heat
B) Specific Heat Capacity
C) Heat Capacity
D) Direct Heat
380. Water is composed of _____ part of hydrogen to _____ parts of Oxygen by mass:
A) 1,1
B) 2,1
C) 1,8
D) 8,2