Everyday Science MCQs

5120 MCQs  (Page 310 of 512)

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Solubility of KCIO3 gives__________________?
A. Continuous and falling solubility curve
B. Discontinuous and falling solubility curve
C. Continuous and rising solubility curve
D. Discontinuous and rising solubility curve
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Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?
A. Cl2
B. O3
C. Clo2
D. Both b & c
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Ozone hole is substantial depletion of ozone in every year during__________________?
A. Aug – nov
B. Sep – nov
C. Nov – dec
D. Dec – jan
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Which of the following solutions of H2SO4 is more concentrated ?
A. 1 molar solution
B. 1 molal solution
C. 1 normal solution
D. All have same concentration
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Which of the following is an example of liquid in gas solution?
A. Opals
B. Dust particles in smoke
C. Paints
D. Fog
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Which of the following are the conditions of colligative properties_______________?
A. Non-electrolye solute
B. Non-volatile solute
C. Dilute solution
D. All of the above
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When common salt is dissolved in water ?
A. Boiling point of water decrease
B. Boiling point of water increase
C. Boiling point of water remains same
D. None of the above
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Requirement of macronutrient per acre of the land is_________________?
A. 5 to 200 kg
B. 20-200 kg
C. 200-400 kg
D. 30-400 kg
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Which of the following is not a secondary pollutant_________________?
A. Ozone
B. Carbonic acid
C. Sulphuric acid
D. Carbon dioxide
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Major cause of SO2 on global scale is__________________?
A. Volcanoes
B. Electric sparks
C. Combustion
D. All
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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