A. Dichloro-diethyl-trifluoromethane
B. Dichloro-diphenyl-trichloroethane
C. Dichloro-diphenyl-trichloromethane
D. Dipheneyl-dichloro-trichloromethane
✅ The correct answer is option B.
Which among the following sentences is true?
A. Ammophos is an organic fertilizer while Urea is an inorganic fertilizer
B. Ammophos is an inorganic fertilizer while Urea is an organic fertilizer
C. Both of them are organic fertilizers
D. Both of them are inorganic fertilizers
✅ The correct answer is option B.
Rayon is an example of _______?
A. a synthetic fiber
B. a natural fiber
C. semi-synthetic fiber
D. Synthetic Detergent
✅ The correct answer is option C.
Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________
A. Explosives
B. Insecticides
C. Fungicides
D. Synthetic Detergents
✅ The correct answer is option D.
Which of the following group characterizes alcohols?
A. OH group
B. COOH group
C. COO group
D. CO group
✅ The correct answer is option A.
Which among the following is not a use of Graphite?
A. making of electrodes
B. lubricant
C. manufacturing of crucibles,
D. Glass cutting
✅ The correct answer is option D.
Water at 4 degree centigrade has____?
A. minimum density
B. maximum density
C. No density
D. None of the above
✅ The correct answer is option B.
To keep the hot glass item‘s finishing and transparency , they go through a process called annealing. This process involves _______?
A. cooled rapidly
B. cooled very slowly
C. cooled slowly and uniformly under controlled environment
D. heating rapidly
✅ The correct answer is option C.
Bleaching Powder is a compound of _______?
A. Calcium
B. Sodium
C. Magnesium
D. Sulphur
✅ The correct answer is option A.
Graphite, Carbon and Diamonds are _________?
A. Isotopes
B. Isomers
C. Isotones
D. Allotropes
✅ The correct answer is option D.