Chemistry Multiple choice questions

General Knowledge : Chemistry

Chemistry Multiple choice questions
1. What is jeweler's rouge
[A] Ferric carbonate
[B] Ferrous carbonate
[C] Ferrous oxide
[D] Ferric oxide
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2. Several blocks of the megnesium are fixed to the bottom of a ship to ?
[A] Prevent punture by undersea rocks
[B] Keep away the sharks
[C] Prevent action of water and salts
[D] Make the ship lighter
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3. What is the pH of pure water ?
[A] 1
[B] 7
[C] 5
[D] 12
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4. What type of reaction is carried out by the lipase in the digestion of fats ?
[A] Reduction
[B] Dehydration
[C] Hydrolysis
[D] Calcification
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5. At which one of the following does carbon occur  in its purest form in nature ?
[A] Diamond
[B] Graphite
[C] Carbon black
[D] Coal
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6. Which one of the following carbohydrates is used for silvering of mirror ?
[A] Sucrose
[B] Maltose
[C] Fructose
[D] Glucose
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7. Which one of the following compounds was responsible for the epidemic form of disease called 'Minamata Disease' ?
[A] A lead compound
[B] A mercury compound
[C] A sulphur compound
[D] A fluorine compound
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8. Which one of the following pesticide is applied to the foundation of buildings to prevent termites ?
[A] Aldrin
[B] Malathion
[C] Atrazine
[D] Carbaryl
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9.

Bronze is an alloy of ?


[A] Copper and Zinc
[B] Copper and tin
[C] Tin and Zinc
[D] Iron and Zinc
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10.

The iron layered with zinc is called ?


[A] Pig iron
[B] Cost iron
[C] Galvanized iron
[D] Steel
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Comments: (Your feedback is valuable to us)

Abhishek Kumar 4 weeks ago Reply

It's new thread for knowledge


Shahzad Masih 1 year ago Reply

helpful and interesting