Chemistry-
General
Easy
Question
The concentration of electrolyte required to coagulate a given amount of sol is minimum in the case of
- Magnesium nitrate
- Potassium nitrate
- Potassium sulphate
- Aluminium nitrate
The correct answer is: Aluminium nitrate
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To verify ohm’s law, a student is provided with a test resistor RT , a high resistance R1 , a small resistance R2 , two identical galvanometers G1 and G2 , and a variable voltage source V. The correct circuit to carry out the experiment is
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Gas masks containing activated charcoal to remove poisonous gases from atmosphere acts on the principle of :
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Match the items in column I and column II and choose the correct option:
The correct match is:
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If by mistake Ammeter is connected parallel to the resistance then i-v curve expected is (Here i = reading of ammeter, v=reading of voltmeter)
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