Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 1 (Q.No. 21)
21.
The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
18 comments Page 2 of 2.

Himanshu Nagar said:   9 years ago
Because it is made by carbide & water not carbonate.

Ayub said:   9 years ago
Calcium carbide is used to prepare acetylene.

Selvamani said:   8 years ago
It is Calcium Carbide.
(2)

Phaneendra said:   8 years ago
Low-pressure acetylene is produced by pouring Calcium carbide in water and high pressure acetylene is produced by pouring water in Calcium carbide.
(1)

Jonathan said:   7 years ago
Can't we also make use of calcium carbonate?

Mahi said:   7 years ago
Acetylene chemical formula is C2H2. So calcium carbide with water H2O only can make C2H2.
(2)

Santanu said:   7 years ago
Low pressure acetylene = water + calcium barbie(cac2).

Soustabh said:   6 years ago
Calcium Carbide not Carbonate.
(2)


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