Related Questions

Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
A Sulphuric acid
B Phosphoric acid
C Hydrochloric acid
D Hydroflouric acid
The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:
A 15, 75, 10
B 75, 10, 15
C 10, 15, 75
D 10, 75, 15
Gun powder, which is an explosive comprises of charcoal, sulphur and
A Glycerene
B Salt petre
C Nitro glycerene
D Dynamite
In which industry Potassium Nitrate is used commercially?
A Glass Manufacturing
B Electroplating
C Fire Cracker Manufacturing
D Leather Industry
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
A Is prone to thermal decomposition
B Has high water solubility and is unstable
C Is soluble in ammonium chloride and potassium chloride solution
D All of the above
A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
A 175
B 150
C 75
D 125
A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?
A 1ml
B 1.5ml
C 2.5ml
D 6ml
Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of
A MgO & Na2CO3
B MgSO4 & BaCl2
C BaSO4 & NaCl
D MgCO3 & NaCl
I need bothA fineB brown sugar as well asC powdered sugar to bakeD a Hawaiian cake.
A A
B B
C C
D D
You need both fine brown sugar as well as powdered sugar to bake Hawaiin cake.
A bake
B fine
C as well as
D both

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