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The ambient air is stable when the ambient lapse rate is:

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Important Questions on Natural Resources

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Which of the following non-metal conducts electricity?
(A) Lead
(B) Wood charcoal
(C) Coal
(D) Diamond

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How many moles of sulphuric acid are present in 25 gm?

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Group _____ contain non–reactive gases(Noble Gases):
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What is formed when helium atom loses one electron?
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 Which of the following metal is used in storage battery?
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Which of the given below atomic numbers of elements resembles the chemical properties of Magnesium?

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Which of the following is known as the 'King of Chemicals'?

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Catalyst is a substance that_____:

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Dry ice is_____.
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Which of these is an essential component of most acids?
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The hormone produced in plants due to which the stem bends towards sunlight is _____:

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Match List-I with List-II and select the correct answer using the code given below the lists:

List-I (Soil type)   List-II (Major characteristic)
A. Oxisols     1. Very rich in organic matter
B. Vertisols 2. Soil lacking horizons
C. Histosols 3. Very old and highly weathered
D. Entisols       4. Rich in clay content and highly basic
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The suffix attached to a hydrocarbon chain ending with a ketone is _____:
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Sodium hydroxide reacts with _____ to form a solution of table salt:
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The element with atomic number 57 belongs to _____:
 
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A chemical _____ is present in the cork cells to make them impervious to gases and water:
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Which one is not an allotropic form of carbon _____:
 
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What does CO stands for?
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Which of the following is not a bleaching agent?

1. Sodium hypochlorite
2. Calcium hypochlorite
3. Hydrogen peroxide
4. Hydrogen sulphide

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Which of the following does not belong to a group?
A. Wet soil
B. Fine soil
C. Earth
D. Plastic