12th Chemistry Important Questions in Hindi. We covered all the 12th Chemistry Important Questions in Hindi in this post for free so that you can practice well for the exam.
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12th Chemistry Important Objective Questions in Hindi for Students
Carbohydrates are used by the body mainly
(A) As a source of energy
(B) For building muscles.
(C) For all its development needs
(D) For obtaining vitamins.
Option a - As a source of energy
Hydrolyzed solution of sucrose shows....... rotation, hence it is called
(A) Dextro, invert sugar
(B) Dextro, dextrose sugar
(C) Laevo, invert sugar
(D) Laevo, dextrose sugar
Option c - Laevo, invert sugar
Maltose is a reducing sugar because
(A) The hemiacetal group at C-1 of the second ring is not involved in glycosidic linkage.
(B) It does not contain glycosidic linkage.
(C) It contains a free -CHO group.
(D) It contains a primary alcoholic -OH group.
Option a - The hemiacetal group at C-1 of the second ring is not involved in glycosidic linkage
The water-soluble component of starch is
(A) Amylose, which constitutes 20% of starch
(B) Amylose, which constitutes 80% of starch
(C) Amylose, which constitutes 60% of starch
(D) Amylose, which constitutes 40% of starch
Option a - Amylose, which constitutes 20% of starch
The water-insoluble component of starch is called
(A) Amylose, which constitutes about 20%
(B) Amylopectin, which constitutes about 80%
(C) Amylose, which constitutes about 35%
(D) Amylopectin, which constitutes about 65%
Option b - Amylopectin, which constitutes about 80%
Which is a branched-chain polymer?
(A) Lactose
(B) Cellulose
(C) Amylose
(D) Amylopectin
Option d - Amylopectin
We covered all the 12th chemistry important questions in hindi above in this post for free so that you can practice well for the exam.
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