Economically exploitable gypsum occurs in

Economically exploitable lignite occurs in

A

Andhra Pradesh

B

Tamil Nadu

C

Karnataka

D

Kerala

In India economically exploitable lignite deposits occur at

A

Neyveli, Tamil Nadu

B

Singareni, Andhra Pradesh

C

Talcher, Odisha

D

Jharia, Bihar

Gypsum consists of ---------.

A

H2S andCO2

B

Lime andH2O

C

CaSO4 and H2O

D

CO2 and calcium

Complete the analogous pair: QUARTZ: RADIO :: GYPSUM:?

A

GLASS

B

PORCELAIN

C

CEMENT

D

POWDER

Gypsum consists of

A

H₂S and CO₂

B

CaSO₄ and H₂O

C

Lime and H₂O

D

CO₂ and calcium

Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

A

Rourkela (under SAIL)

B

Bokaro (under SAIL)

C

Sindri (under FCI)

D

Baroda (under G.S.F.C.)

Gypsum is used for improvement of:

A

Alkaline soils

B

Saline soils

C

Podsols

D

Acidic soils

The addition of gypsum to portland cement helps in :

A

Increasing the strength of cement

B

Rapid setting of cement

C

Preventing rapid setting of cement

D

Reduction in the cost of cement

Gypsum is a

A

Mechanically formed sedimentary rock

B

Igneous rock

C

Chemically precipitated sedimentary rock

D

Metamorphic rock

Calcination of gypsum produces

A

Plaster of paris

B

Salt cake

C

Nitre cake

D

Lime

Economically exploitable gypsum occurs in

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