Q. The Latin word formica means ant. The name formic acid is derived from this Latin word because

View solution

Q. The ore which is found in abundance in India is

View solution

Q. The inherited traits of an organism are controlled by

View solution

Q. The heat energy produced when the human body metabolises 1 gram of fat is

View solution

Q. What are the number of moles of CO2 which contains 16 g of oxygen?

View solution

Q. The main use of salt in the diet is to

View solution

Q. The monomer of polythene is

View solution

Q. The luster of a metal is due to

View solution

Q. The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

View solution

Q. The most malleable metal is

View solution

Q. The oil used in the froth floatation process is

View solution

Q. The number of waves in n x 10th Bohr's orbit are

View solution

Q. The mass of one Avogadro number of helium atom is

View solution

Q. The items amenable to detection by soft x-rays are

View solution

Q. The material which can be deformed permanently by heat and pressure is called a

View solution

Q. The mass number of a nucleus is

View solution

Q. The inexpensive and commonly used variety of glass is called soda glass. It is called so because

View solution

Q. The gas used in the manufacture of vanaspati from vegetable oil is

View solution

Q. The ionic radii of N3-, O2-, F- and Na+ follows the order

View solution

Q. The graphite rods in the nuclear reactor

View solution