Chemistry-
General
Easy
Question
The element which would be extracted by electrolytic reduction of its oxide dissolved in a high temperature melt is
- Na
- Mg
- F
- Al
The correct answer is: Al
Related Questions to study
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Consider the following pairs of compounds
a)
b)
of these pairs
Consider the following pairs of compounds
a)
b)of these pairs
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Is the major product after complete reaction So A is
Is the major product after complete reaction So A is
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PhCHO + MeCHO 
PhCHO + MeCHO
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The root mean square velocity of an ideal gas is given by the expression
When the pressure is doubled at constant temperature
The root mean square velocity of an ideal gas is given by the expression
When the pressure is doubled at constant temperature
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A substance undergoes first order decomposition. The decomposition follows two parallel first order reactions as:
and 
The percentage distribution of B and C are:
A substance undergoes first order decomposition. The decomposition follows two parallel first order reactions as: and The percentage distribution of B and C are:
Chemistry-General
Chemistry-
A hydrogen electrode placed in a buffer solution of CH3COONa and acetic acid in the ratio's x:y and y:x has electrode potential values E1 volts and E2 volts respectively at 25oC. The pKa values of acetic acid is (E1 & E2 are oxidation potential).
A hydrogen electrode placed in a buffer solution of CH3COONa and acetic acid in the ratio's x:y and y:x has electrode potential values E1 volts and E2 volts respectively at 25oC. The pKa values of acetic acid is (E1 & E2 are oxidation potential).
Chemistry-General
Chemistry-
Energy levels A, B, C of a certain atom corresponds to increasing values of energy i.e.
EA < EB < EC. If 
, 
and 
are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively, which of the following statement is correct.
Energy levels A, B, C of a certain atom corresponds to increasing values of energy i.e.
EA < EB < EC. If , and are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively, which of the following statement is correct.
Chemistry-General
Chemistry-
The compound A
The compound A
Chemistry-General
Chemistry-
Chemistry-General
Chemistry-
X is major product So X is
X is major product So X is
Chemistry-General
Chemistry-
Which of the following compounds doesn’t give Diel’s Alder reaction?
Which of the following compounds doesn’t give Diel’s Alder reaction?
Chemistry-General
Chemistry-
A drop of solution (volume 0.05 ml) contains 3 
10–6 moles of H+. If the rate constant of disappearance of H+ is 1 107 mole litre–1 sec–1. How long would it take for H+ in drop to disappear.
A drop of solution (volume 0.05 ml) contains 3 10–6 moles of H+. If the rate constant of disappearance of H+ is 1 107 mole litre–1 sec–1. How long would it take for H+ in drop to disappear.
Chemistry-General
Chemistry-
The pH of a solution obtained by mixing 50 ml of 0.4 M HCl and 50 ml of 0.2 M NaOH would be
The pH of a solution obtained by mixing 50 ml of 0.4 M HCl and 50 ml of 0.2 M NaOH would be
Chemistry-General
Chemistry-
Chemistry-General
