General Knowledge Questions Answer GK Quiz

GK General Knowledge - Chemistry Question Answer Quiz

Q. Consider the following-
1. Fertilization
2. Waste water treatment
3. Bacteria
4. Chemical fertilizer
Which of the above adds Nitrogen oxide (a strong green house gas) on Earth?

1) 1 and 4
2) 2 and 3
3) 2, 3 and 4
4) 1, 2 3 and 4

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Q. Teflon is the common name of -
1) Polytetrafluoro ethylene
2) Polyvinyl chloride
3) Polyvinyl fluoride
4) Dichlorodifluoro methane

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Q. A homogeneous mixture contains two liquids. How are they separated?
1) By filtration
2) By evaporation
3) By distillation
4) By condensation

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Q. Which one of the following elements forms highest number of compounds?
1) Oxygen
2) Hydrogen
3) Chlorine
4) Carbon

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Q. The valency of an element depends upon the -
1) Total number of protons in an atom
2) Mass number of an atom
3) Total number of neutrons in an atom
4) Total number of electrons in the outer most shell of an atom

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Q. Molecules of which of the following has cage like structure ?
1. Diamond
2. Graphite
3. Fullerenes
Select the correct answer using the code given below :

1) 1, 2 and 3
2) 2 and 3 only
3) 2 only
4) 3 only

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Q. Temporary hardness in water is due to which one of the following of Calcium and Magnesium?
1) Hydrogencarbonates
2) Carbonates
3) Chiorides
4) Sulphates

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Q. Which one of the following elements is least reactive with water?
1) Lithium
2) Sodium
3) potassium
4) Cesium

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Q. Rutherford's alpha-particle scattering experiment was responsible for the discovery of -
1) Electron
2) Proton
3) Nucleus
4) Helium

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Q. How many orbiting electron does the germanium atom have?
1) 4
2) 41
3) 14
4) 32

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