Chemical Process - Study Mode
[#246] Thermoplastic materials
Correct Answer
(D) None of these
[#247] Thermosetting materials
Correct Answer
(A) Are cross-linked molecules
[#248] Thorium is mainly used
Correct Answer
(A) For the manufacture of gas mantles
[#249] Pick out the exothermic reaction out of the following:
Correct Answer
(B) CaC 2 + H 2 O = Ca(OH) 2 + C 2 H 2
[#250] Grignard reagent is chemically known as
Correct Answer
(A) Ethyl magnesium chloride