Aluminium is manufactured from ___?

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?