2916166
Descrição
Quiz por Dinesh Singh, atualizado more than 1 year ago
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Criado por Dinesh Singh
mais de 9 anos atrás
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Questão 1
Questão
The chemical used as a ‘fixer’ in photography
Responda
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Sodium sulphate
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Sodium thiosulphate
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Ammonium sulphate
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Borax
Questão 2
Questão
Which of the following is the correct sequence of the wavelength of radiation
Responda
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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
Questão 3
Questão
Which of the following fertilizer has the maximum % of nitrogen
Responda
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Ammonium sulphate
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Urea
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Calcium cyanamide
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Calcium ammonium nitrate
Questão 4
Questão
Which of the following is not contains in Portland cement
Responda
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Ca3Al2O6
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Ca3SiO5
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Ca2Sio4
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Ca3(PO4)2
Questão 5
Questão
Which one of the following acid is used for etching glass
Responda
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H2SO4
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HNO3
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HF
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HCl
Questão 6
Questão
Nuclear fusion requires very temperatures so as to overcome
Responda
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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
Questão 7
Questão
What is the colour of oxygen in solid state
Responda
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Pale yellow
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Pale blue
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Light green
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Greenish yellow
Questão 8
Questão
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
Responda
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Copper
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Iron
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Aluminium
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Titanium
Questão 9
Questão
H2o is liquid and H2S is a gas because
Responda
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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
Questão 10
Questão
In chemical terms, what are the alums used for purifying water for drinking purpose
Responda
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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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