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​

sorry idk the answer well to you i have a explaination

explanation: a formula which shows the arrangement of atoms in the molecule of a compound

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.