LMNOP, is a semi-circle with centre at R and diameter LP, LSR and RQP are also semi-circles with centres at T and U and diameters LR = RP = 1/2 LP. The ratio of perimeters of LMNOP and LSRQP is
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Assertion (A) : Phenyl is used as a household germicide. Reason (R): Phenyl is a phenol derivative and phenol is an effective germicide.
Assertion (A) : Phenyl is used as a household germicide. Reason (R): Phenyl is a phenol derivative and phenol is an effective germicide.
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Assertion (A) : Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.
Assertion (A) : Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.
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Assertion (A) : The temperature of a metal wire rises when an electric current is passed through it. Reason (R): Collision of metal atoms with each other releases heat energy.
Assertion (A) : The temperature of a metal wire rises when an electric current is passed through it. Reason (R): Collision of metal atoms with each other releases heat energy.
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Assertion (A) : Formic acid is a stronger acid than acetic acid. Reason (R): Formic acid is an organic acid.
Assertion (A) : Formic acid is a stronger acid than acetic acid. Reason (R): Formic acid is an organic acid.
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One Astronomical Unit is the average distance between
One Astronomical Unit is the average distance between
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The complete conversion of glucose In the presence of oxygen into carbon dioxide and water with release of energy is called
The complete conversion of glucose In the presence of oxygen into carbon dioxide and water with release of energy is called
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The major chemical compound found in human kidney stones is
The major chemical compound found in human kidney stones is
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Ergotism is due to consumption of
Ergotism is due to consumption of
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Which one of the following statements regarding starch and cellulose is not correct
Which one of the following statements regarding starch and cellulose is not correct ?