Pick up the synthetic resin from the following:

Pick up the correct statement from the following:

Slate is formed by metamorphic action on

Lime putty

Cast iron . . . . . . . .

Excess of alumina in brick earth makes the brick

For melting one tonne of cast iron

Which of the following ingredients of the brick earth enables the brick to retain its shape?

For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in …