set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on nature of matter and composition topic of general science mcq
(a) a mixture
(b) an element
(c) a compound
(d) none of these.
The correct answers to the above question in:
Answer: (c)
C is a compund which is formed as a result of reaction between A and B.
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Read more nature of matter and composition Based General Science Questions and Answers
Question : 1
Solutions with low concentrations of solutes are
a) solvents
b) dilute
c) concentrated
d) None of these
Answer »Answer: (b)
dilute solutions have low concentration of solid.
Question : 2
Kerosene is a mixture of
a) saturated hydrocarbons
b) aromatic hydrocarbons
c) aliphatic hydrocarbons
d) alicyclic hydrocarbons
Answer »Answer: (c)
Question : 3
Vermicompost is an/a
a) organic bio fertilizer
b) inorganic fertilizer
c) toxic substance
d) synthetic fertilizer
Answer »Answer: (a)
Question : 4
What is the weight of one atom of Hydrogen in grams?
a) $6.62 × 10^{–24}$
b) $6.023 × 10^{–23}$
c) $1.66 × 10^{–24}$
d) None of these
Answer »Answer: (c)
Question : 5
The atomic weights are expressed in terms of atomic mass unit. Which one of the following is used as a standard?
a) $^16O_8$
b) $^1H_1$
c) $^12C_6$
d) $^35Cl_17$
Answer »Answer: (c)
Question : 6
The chemical technique applied to find out age of fossils is knows as
a) Photosynthesis
b) Carbon dating
c) Nuclear fusion
d) Fermentation
Answer »Answer: (b)
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