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Chemistry

Chemistry
In a period from Li to F, ionisation potential

Remains same
Decreases
Increases
Cannot be predicted

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Chemistry
Silicon is a

Nonconductor
Insulator
Semiconductor
Conductor

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Chemistry
Which of the following is an antidiabatic drug?

Chloroquine
Aspirin
Penicillin
Insulin

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Chemistry
The components of water can be separated by

They can not be separated
Physical methods
Chemical methods
Both A and B

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Chemistry
The addition of gypsum to portland cement helps in :

Preventing rapid setting of cement
Increasing the strength of cement
Reduction in the cost of cement
Rapid setting of cement

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Chemistry
Maximum permissible concentration of total hardness in drinking water is

500
50
200
100

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MORE MCQ ON Chemistry

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