Q. Full form of CNG is ______________________.
Q. Air is a _____________ of gases.
Q. Solid Carbon dioxide is known as _________________.
Q. Water is a compound.
Q. Latin name of Sodium is _________________.
Q. Symbol of Lithium is ______.
Q. Atom is highly reactive.
Q. Symbol of Argon is _______.
Q. A mixture is a pure substance.
Q. Diamond is a form of ___________.
Q. Chlorine is used as disinfectant.
Q. Copper is a _________ conductor of heat and electricity.
Q. Tungsten has high melting point.
Q. Carbon dioxide is used in fire extinguishers.
Q. ____________ is the hardest naturally occuring substance.
Q. Sand is used in the preparation of glass.
Q. _________ is used to make lead of the pencils.
Q. Molecule is _________ reactive.
Q. Chlorophyll is a _____________ coloured pigment.
Q. Air exerts equal ______________ in all directions.
Q. Symbol of Iron is _______.
Q. A method used to separate components of a mixture that differ in size is called _____________.
Q. A clear liquid observed over the sediment is called __________________.
Q. Boron is a _____________.
Q. Respiration and ____________ are two opposing processes.
Q. Full form of CFC is _____________________________.
Q. Latin name of Gold is ____________.
Q. Symbol of Copper is _______.
Q. Platinum is used to make cold drinks.
Q. Natural gas are used as fuels.
Q. Impure diamond is used to cut glass.
Q. Symbol of Neon is _________.
Q. Iron is used in construction of buildings.
Q. Carbon dioxide is used to make bells.
Q. Graphite is used in light bulbs.
Q. The layer of air that surrounds the Earth is called _________.
Q. ___________________ plants can work as fertilizers.
Q. _________________ called carbon dioxide gas as 'Fixed Air'.
Q. _____________ gas does not support burning.
Q. Substances which are burned to release energy are called ____________.