Q. The change from liquid in to the gaseous state is known as

View solution

Q. The enthalpy change of vaporization is the energy required to change 1 mol of liquid in to 1 mol of

View solution

Q. The silicon (IV) oxide which is found in mineral quartz is very similar to

View solution

Q. The metal which can be melted even by the warmth of human palm is

View solution

Q. Diamonds are hard and

View solution

Q. Metals can be hammered into different shapes and drawn into wires hence they are

View solution

Q. Giant ionic structures are also name given to

View solution

Q. The mixture of metal or metals with non-metals gives off an

View solution

Q. There are strong attractive forces between metal ions and delocalized electrons gives

View solution

Q. Artificial diamonds are used for

View solution

Q. The mixture of 70% copper and 30% zinc is an alloy called

View solution

Q. One element may have different crystalline and molecular forms called as

View solution

Q. Bronze is an alloy of

View solution

Q. Graphite have high melting and boiling points but they are

View solution

Q. Ionic compounds possess the properties

View solution

Q. Ionic compounds only conduct electricity when they are in a state

View solution

Q. Each carbon atom forms four covalent bonds with other carbon atoms arranging them tetrahedral in

View solution

Q. Pure aluminum (Al) is

View solution

Q. 2000 years ago, a statue of 33 meter was built in

View solution

Q. The carbon atoms are arranged in planar layers in

View solution