What is gun powder?
It is a mixture of sulfur, charcoal and potassium nitrate(salt peter). The sulgur and charcoal act as fuels, and the saltpeter is an oxidizer.
Define the term significant figures.
What is the number of significant figures in 0.0026?
What is the number of significant figures in 9.984?
Express the Avogadro's number (6·023×1023) upto three significant figures.
What is the result of (5.472 - 1.12) to the appropriate number of signficant figures?
Express 0.0468 in scientific notation.
What does SI units stand for?
What is the relation between temperature in Kelvin (K) and temperature on centigrade scale?
The popular unit of pressure is atmosphere, how is it related to pascal?
Mock Test Series
