Which element is not a part of a nitrogenous base?
A nitrogenous base is an element that contains nitrogen that have same chemical properties of the base.
The percentage of nitrogen in the air is about
View Answer Report Error Discuss
Methane contributes towards global warming so it is called a _________________ gas.
Which of the following is a metal?
Which of the following group is NOT Dobereiner Triads?
Safety matches contain
Air ___________________ are the substances which contaminate the air.
By using which foam the Researchers from Indian Institute of Technology – Bombay have made a low cost piezo resistive vibration sensor?
Which of the following is NOT a compound?