Sum of tread and rise must lie between_______________?

Which of the following is a mineral ?

A. basalt

B. granite

C. quartz

D. syenite

Gypsum is a_________________?

A. mechanically formed sedimentary rock

B. igneous rock

C. chemically precipitated sedimentary rock

D. metamorphic rock

Which of the following is a rock ?

A. quartz

B. mica

C. gypsum

D. none of the above

Slate is formed by metamorphic action on______________?

A. shale

B. lime stone

C. sand stone

D. granite

Which of the following has more fire resisting characteristics ?

A. marble

B. lime stone

C. compact sand stone

D. granite