HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

Write the chemical composition of cryolite.

Write the structure of D-ribose.

Complete the following reaction giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry either]  A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]

Identify the chiral molecule from the following.

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

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

CH₂OH-CO-(CHOH)₄-CH₂OH is an example of ______.

Identify the chiral molecule from the following.

In the reaction A + 3B → 2C, the rate of formation of C is ______.

Assign D/L configuration to the following monosaccharides:

Explain why the anode is of negative polarity in a galvanic cell.

What is the product A obtained in the following reaction?

Define the term Protein.

Define the term Protein.

\[\ce{XeF6 + H2O ->[Partial][Hydrolysis] \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]

\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]

Describe the action of the following reagent on glucose:

Bromine water

Describe the action of the following reagent on glucose:

dil. Nitric acid.

Carbohydrates that do not undergo hydrolysis further are called ______.

______ noble gas does not occur in the atmosphere.