TRB Old Question Papers for Chemistry - 3
Question: 11
In which type of rocks are metals like Gold and Copper mostly found?
(A) Old igneous
(B) Old sedimentary
(C) Old metamorphic
(D) New metamorphic
Ans; A
Old igneous
Question: 12
The chemical name of limestone is
(A) Calcium carbonate
(B) Calcium oxide
(C) Calcium chloride
(D) Calcium hydroxide
Ans: A
Calcium carbonate
Question: 13
Metals can be beaten into thin sheets. This property is called
(A) Conductivity
(B) Malleability
(C) Ductility
(D) Luster
Ans: B
Malleability
Question: 14
A mixture of water and alcohol can be separated by
(A) Filtration
(B) Evaporation
(C) Distillation
(D) Decantation
Ans: C
Distillation
Question: 15
The process of losing water of crystallization from a hydrated salt when exposed to air is called as
(A) Hydration
(B) Dehydration
(C) Efflorescence
(D) Hardening
Ans: C
Efflorescence
GATE Chemical Engineering Questions and Answers More
GATE 2024-2025 Question Paper Pdf Download More
Banking Awareness Questions 2024-2025 More
Computer Quiz Questions for Bank Exams More
Computer Quiz Questions for Bank Exams More
Delhi Sultanate Quiz Questions and Answers More
1000+ Graph Theory MCQ Questions and Answers Pdf More
Asp.Net Interview Questions and Answers Pdf More
True Discount Questions and Answers for Bank Exams More
7000+ Basic English Questions & Answers Pdf More