Prep

The unit of volume is................... and that of mass is ................

• Cm, kg

• Cm3, kg

• Cm3, gm

• Cm, gm

An alloy of ............... . is used in making jewels

• Gold and silver

• Gold and nickel

• Gold and copper

• Gold and chrome

Some substances conduct heat and electricity such as ............ and.............while other substances don't conduct heat or electricity such as .......................

• Iron and copper, Aluminium

• Aluminum and copper, plastic

• Plastic and Aluminium, copper

• Iron and plastic, Aluminium

Electric wires are made from..........................

• Iron

• Copper

The smallest part of matter that can exist freely and carries the properties of matter. (...................................)

• Molecular

• Cell

The unit of Density is....................

• Cm3 / kg

• Cm3, gm

• Cm3,kg

• Cm3/gm

Elements reacts with oxygen on exposing to humid air [...........................................]

• Inactive metal

• Active metal

• Poor active metal

• Very active metal

It is the temperature which the solid start begins to change into liquid state [................................]

• Temperature

• Melting point

• Boiling point

Cooking pans are made up of ....................

• Iron only

• Aluminum only

• Stainless steel only

• Stainless steel and Aluminum

The substances that float on water surface is ...............................

• Iron

• Cork

• Aluminum

• Copper