Q. Which of the following is the second major component of cement ?

View solution

Q. Rotary kiln is not involved in the production of

View solution

Q. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

View solution

Q. Vanillin is a type of

View solution

Q. Temporary hardness of water can be removed by

View solution

Q. More than 100 percent of __________ is present in oleum.

View solution

Q. Essential oils are usually obtained using

View solution

Q. Impurities present in brine is normally removed by treatment with

View solution

Q. Hydrogenation of oil/fat does not

View solution

Q. Solvay process as compared to dual process (i.e. modified Solvay process)

View solution

Q. Builders are added in soap to act as

View solution

Q. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

View solution

Q. Cement mainly contains

View solution

Q. Sand and __________ is fused at 1300°C, to produce sodium silicate.

View solution

Q. Coke used for the production of calcium carbide should have

View solution

Q. Sucrose is a disaccharide consisting of

View solution

Q. CaSO₄ .1/2H₂O is known as

View solution

Q. __________ of quicklime produces slaked lime.

View solution

Q. Main product in calcium carbide-water reaction is

View solution

Q. Glauber's salt is chemically

View solution