Chemical Engineering - Chemical Engineering Basics

1.
Safety matches is produced using
red phosphorus
yellow phosphorus
black phosphorus
elemental sulphur
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Calorific value of __________ are almost same.
lignite & anthracite coal
lignite & coal gas
petrol & diesel
coal gas & natural gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Which of the following pairs is not correctly matched ?
Uranium - 233 : Fertile material.
Bindingenergy : Mass defect.
Scattering: Absorption cross-section.
Number of nucleons : Mass number.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Commonly used flux for brazing is
zinc chloride
borax
ammonium chloride
rosin
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Iron has got __________ isotopes.
no
four
three
two
Answer: Option
Explanation:
No answer description is available. Let's discuss.