2916166
Description
Quiz by Dinesh Singh, updated more than 1 year ago
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Created by Dinesh Singh
almost 9 years ago
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Question 1
Question
The chemical used as a ‘fixer’ in photography
Answer
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Sodium sulphate
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Sodium thiosulphate
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Ammonium sulphate
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Borax
Question 2
Question
Which of the following is the correct sequence of the wavelength of radiation
Answer
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UV > Green > IR > Hard X-rays
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IR > Green > UV > Hard X-rays
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UV > Hard X-rays > IR > Green
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IR > Hard X-ray > Green > UV
Question 3
Question
Which of the following fertilizer has the maximum % of nitrogen
Answer
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Ammonium sulphate
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Urea
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Calcium cyanamide
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Calcium ammonium nitrate
Question 4
Question
Which of the following is not contains in Portland cement
Answer
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Ca3Al2O6
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Ca3SiO5
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Ca2Sio4
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Ca3(PO4)2
Question 5
Question
Which one of the following acid is used for etching glass
Answer
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H2SO4
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HNO3
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HF
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HCl
Question 6
Question
Nuclear fusion requires very temperatures so as to overcome
Answer
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Van der waal’s forces
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Nuclear force
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Gravitational force
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Coulomb force
Question 7
Question
What is the colour of oxygen in solid state
Answer
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Pale yellow
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Pale blue
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Light green
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Greenish yellow
Question 8
Question
In surgery, metal pins are used for joining together broken bones. the metal pins remains uncorroded in the body. What is the material of the pins
Answer
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Copper
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Iron
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Aluminium
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Titanium
Question 9
Question
H2o is liquid and H2S is a gas because
Answer
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Oxygen forms stronger hydrogen bond than sulphur
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Oxygen is less electronegative than sulphur
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Atomic radius of oxygen is less than that of sulphur
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Atomic radius of oxygen is greater than that of sulphur
Question 10
Question
In chemical terms, what are the alums used for purifying water for drinking purpose
Answer
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Hydrated chlorides
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Double nitrate
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Double sulphate
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Nitrates of aluminium
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