Gun powder uses_____________________?
Gun powder uses_____________________?
A. Sulphur
B. Charcoal
C. Potassium nitrate
D. All A , B, & C.
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Coke used for the production of calcium carbide should have
Question: Coke used for the production of calcium carbide should have
[A].low ash content. [B].
low ignition temperature. [C].
high electrical resistivity. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Bleaching of paper pulp is done with
Question: Bleaching of paper pulp is done with
[A].activated clay [B].
bromine [C].
chlorine or chlorine dioxide [D].
magnesium sulphite Answer: Option C
Explanation:
No answer description available for this question.
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to_________________?
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to_________________?A. Adjust the pH of the syrup
B. Remove the coloring matter from the syrup
C. Reduce the viscosity of the syrup
D. Improve the rate of crystallisation of sugarNaphthols are derivatives of________________?
Naphthols are derivatives of________________?A. Methyl amine
B. Naphthalene
C. Phenol
D. XyleneWhich of the following is the main constituent of the mother liquor produced in salt industry ?
Which of the following is the main constituent of the mother liquor produced in salt industry ?A. Quick lime
B. Glauber’s salt
C. Salt petre
D. BromineConversion of CO to CO2 by steam in presence of a catalyst is called
Question: Conversion of CO to CO2 by steam in presence of a catalyst is called
[A].steam reforming. [B].
shift conversion. [C].
steam gasification. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.