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Mention similarity of properties of hydrogen with two properties of group 17 elements of long periodic table.
Mention similarity of properties of hydrogen with two properties of group 17 elements of long periodic table.
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What is meant by the principal axis of a concave lens?
What is meant by the principal axis of a concave lens?
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If two conductor wires of resistances 6 ohms and 4 ohms are connected in parallel combination, what will be the equivalent resistance of the combination?
If two conductor wires of resistances 6 ohms and 4 ohms are connected in parallel combination, what will be the equivalent resistance…
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How many covalent bonds are present in CHCl3 molecules?
How many covalent bonds are present in CHCl3 molecules?
Question
Which type of energy is transformed to electrical energy in a dynamo?
Which type of energy is transformed to electrical energy in a dynamo?
Question
From which group to group 12 of the long periodic table are the transitional elements located?
From which group to group 12 of the long periodic table are the transitional elements located?
Question
Write down the ideal gas equation for 1 mol gas.
Write down the ideal gas equation for 1 mol gas.
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What is the SI unit of calorific value of fuels?
What is the SI unit of calorific value of fuels?
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Write the reaction occurring at the cathode in the electrolysis of acidulated water using platinum electrodes. Why is acidulated water instead of pure water used for electrolysis?
Write the reaction occurring at the cathode in the electrolysis of acidulated water using platinum electrodes. Why is acidulated water instead of…
Question
What is electroplating? What is the cathode in the electroplating of silver over a copper material? [2+1]
What is electroplating? What is the cathode in the electroplating of silver over a copper material? [2+1]