The early attempt to classify elements as metals and non-metals was made by ___?
Which is the device used to detect and measure small electric current in a circuit?
The lowest temperature at which an oil gives sufficient vapours to form an explosive mixture with air is known as :-
The value of G in the formula for gravitational force depends on -
When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -
Milk of Magnesia is _____?
The temperature of a place on one sunny day is 113 in Fahrenheit scale. The Kelvin scale reading of this temperature will be -
Best, Important and the Central activity of a business is known as its -
Who appoints the Chief Election Commissioner in India?
Panchayti Raj System was started by which state for the first time in India?