MCQs of Everyday Science

MCQs of Everyday Science from 126 to 130

126. The boiling point of alcohol is
(A) 78 °C
(B) 86 °C
(C) 94 °C
(D) 100 °C

127. The visible cloud of dust and gas in space is called?
(A) White Dwarf
(B) Supernova
(C) Nebula
(D) Galaxy

128. The average salinity of the Earth’s oceans in 1 kilogram of sea water is about ________ grams of salt.
(A) 90
(B) 25
(C) 30
(D) 35

129. The most abundant substance that constitutes the mass of the Earth is?
(A) Iron
(B) Oxygen
(C) Nitrogen
(D) Silicon

130. The Earth’s atmosphere is divided into ________ main layers.
(A) 4
(B) 5
(C) 6
(D) 7

ANSWERS: MCQS OF EVERYDAY SCIENCE
126. (A) 78 °C
127. (C) Nebula
128. (D) 35
129. (A) Iron
130. (B) 5