Methane contributes towards global warming so it is called a _________________ gas.

 

Binomial Nomenclature was founded by

Atomic number of which of the following elements is greater than that of Calcium?

According to Dalton’s Atomic Theory, the smallest indivisible particles of matter is called ______.

Metals are generally ______.

I. Ductile

II. Malleable

III. Poor conductors of heat

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

Which of the following elements has the lowest melting point?

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?

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

I. Acids are sour in taste and generate H+ ions.

II. Acids are sour in taste and generate OH– ions.

III. Bases are bitter intaste and generate OH– ions.