Statements: Some winters are summers.
All summers are springs.
All springs are seasons.
I. Some seasons are winters.
II. All summers are seasons.
III. Some seasons are not summers.
Some winters are summers (I) + All summers are spring(A)= Some winters are spring (I) + All spring are seasons (A)= Some winters are seasons (I) or Some seasons are winters.(I) Hence l follows. All summers are spring.(A)+All springs are seasons (A) = All summers are seasons (A). Hence, II follows.
Nitrous Oxide (N2O) is also known as –
Match the following Functional group with their respective Chemical name.
            Functional Group             Â...
Which of the following metal have the highest Melting point?
Protons were discovered by
Hydrogen was discovered by?
Which of the following rock is not a sedimentary rock?
What are the main constituents of LPG ?
The scientific name of vitamin B12is :
The term Fire Ice is used for ___?
Which of the following glass absorbs ultraviolet rays which are harmful for the eyes.