Questions

In a combination reaction there can be ______.

I. two or more than two reactants

II. two or more than two products

III. only one product

Organs having different structure and components but perform similar functions are called ______.

Generally covalently bonded molecules ______.

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

Which of the following statement(s) is/are CORRECT?

I. Oils containing unsaturated fatty acids should be used for cooking.

II Animal fats have saturated carbon chains.

III. Saturated fatty acids are generally harmful for health.

Exposure to sunlight helps a person improve his health because

___ is the number of shells for elements of the 3rd period.

Which of the following books is NOT of Surdas?

Fill in the blank with the most appropriate option.

Ethanol is denatured to ___.