Vil) acetylene gas undergo ozonolysis reaction? ENGINEERING CHEMISTRY
Examination 2070 R/B
Full marks: 60
me: 3 hrs
Pass marks: 24
ndidates are required to give their answers in their oum words as far as practicable.
tempt All questions
a) What is meant by hardness of water? Why is hard water not suitable
for washing purpose? Describe the sodium permutit process to remove
the hardness of water
[1+13
b) Describe with a neat sketch how is ammonia manufactured by Haber's
process? What happen with ammonia reacts with heated sodium? [4+1
a) Define pollution and pollutants. Discuss the effects of CO, SO, and
15
11.no​

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.