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