(A) C6H12O6
(B) C12H22O11
(C) C6H12
(D) C12H22
The answer is: (B) C12H22O11
Category: Everyday Science
The atomic mass unit (amu) is equal to
(A) 1.66054×10–15 kg
(B) 1.66054×10–19 kg
(C) 1.66054×10–23 kg
(D) 1.66054×10–27 kg
The answer is: (D) 1.66054×10–27 kg
The presence of impurities ________ the freezing point of water.
(A) increases
(B) decreases
(C) accelerate
(D) do not have any effect on
The answer is: (B) decreases
Covid-19 was caused by a
(A) Fungus
(B) Virus
(C) Bacterial
(D) None of these
The answer is: (B) Virus
Covid-19 was caused by a virus and antibiotics do not work against viruses.
Isotopes are atoms whose nucleus have the same number of _____ but different number of _____.
(A) protons, neutrons
(B) protons, electrons
(C) neutrons, electrons
(D) electrons, positrons
The answer is: (A) protons, neutrons
Which of the following is one of the parts of the hindbrain?
(A) Hypothalamus
(B) Cerebellum
(C) Spinal cord
(D) None of these
The answer is: (B) Cerebellum
The cerebellum is a major structure of the hindbrain that is located near the brainstem.
The mass number is the total number of _____ and _____ in nucleus of an atom.
(A) protons, neutrons
(B) protons, electrons
(C) neutrons, electrons
(D) electrons, positrons
The answer is: (A) protons, neutrons
The boiling point of alcohol is
(A) 71 °C
(B) 75 °C
(C) 79 °C
(D) 83 °C
The answer is: (C) 79 °C
If we add salt to the pure water, its boiling point will
(A) increase
(B) decrease
(C) remain same
(D) none of these
The answer is: (A) increase
An instrument used to measure gas pressure is called
(A) ammeter
(B) barometer
(C) galvanometer
(D) manometer
The answer is: (D) manometer