Building Materials
The rocks which are formed due to pouring of magma at the earth's surface are called

Hypabyssal rocks
Igneous rocks
Plutonic rocks
Volcanic rocks

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
The thermosetting plastic

At 127°C to 177°C permanently set and further application of heat does not soften it
Becomes rigid when moulded at suitable pressure and temperature
Chars at 343°C
All listed here

ANSWER DOWNLOAD EXAMIANS APP