HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Important Questions for Chemistry

Fill in the blanks by choosing the appropriate word/words from those given in the brackets:  

(iodoform, acetaldehyde, positive, greater, acidic, acetone, disaccharide, negative, increases, glucose, decreases, chloroform, polysaccharide, lactose, lesser, basic, cationic hydrolysis, anionic hydrolysis)

Sucrose is a _________ and yields upon hydrolysis, a mixture of ________ and fructose.

\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.

Draw a neat diagram for the following:

Haworth formula of maltose

Draw the structure of α-D glucopyranose.

Write a chemical reaction to convert glucose into glucose cyanohydrin.

Write a commercial method for preparation of glucose.

The molecule of glucose is also called ______.

The glycosidic linkage present in maltose is ______.

The linkage present in Lactose is ______.

How are proteins classified on the basis of molecular shapes?

How is tripeptide formed?

Discuss the optical activity of lactic acid.

The secondary structure of protein is determined by _______.

(A) co-ordinate bond

(B) ionic bond

(C) hydrogen bond

(D) covalent bond

Define enzymes.

How is peptide linkage formed?

Write the structure of simple triglycerides.

State the function of insulin.

What are amino acids?

Write the correct reaction for formation of the peptide bond between amino acids

Give scientific reasons:

α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.