HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Explain the following:

On cutting, some fruits and vegetables turn brown.

Explain the following:

Vitamin E is added to packed edible oil.

Explain the following:

Browning of cut apple can be prolonged by applying lemon juice.

Explain the following:

A diluted solution (4.8% w/v) of 2, 4, 6-trichlorophenol is employed as antiseptic.

Give two differences between Saturated and unsaturated fats.

Give two differences between the Rice flour and cooked rice.

Answer in one sentence.

Who discovered penicillin?

Observe the following conversion.

Is the above reaction is in accordance with the principle of stoichiometry?

Observe the following conversion.

Is the above reaction is in accordance with the principle of stoichiometry?

Answer in one sentence.

Draw the structure of BHT.

What do you understand by antioxidants?

Define the term polarizability

Define the term Hydrogen bond

Define the term Aqueous tension

Define the term Dipole moment

Identify type of the intermolecular forces in the following compound.

CH₃-OH

Identify type of the intermolecular forces in the following compound.

CH₂=CH₂

Identify type of the intermolecular forces in the following compound.

CHCl₃

Identify type of the intermolecular forces in the following compound.

CH₂Cl₂

Name the types of intermolecular forces present in Ar.