(A) Ascorbic acid
(B) Acetic acid
(C) Tartaric acid
(D) None of these
The answer is: (A) Ascorbic acid
Ascorbic acid (Vitamin C) is commonly found in citrus fruits and vegetables. Vitamin C also functions as an antioxidant.
Category: SCIENCE MCQS
The elements in any one group have similar
(A) atomic number
(B) mass number
(C) properties
(D) radioactivity
The answer is: (C) properties
Which of the following is the cause of polio?
(A) Infection
(B) Virus
(C) Bacteria
(D) None of these
The answer is: (B) Virus
Polio is caused by virus.
The first period of elements consists of only
(A) hydrogen
(B) hydrogen and helium
(C) hydrogen and oxygen
(D) hydrogen and nitrogen
The answer is: (B) hydrogen and helium
The average human body contains about ________ gram of Sodium Chloride.
(A) 190
(B) 210
(C) 230
(D) 250
The answer is: (D) 250
Vitamin ________ is also called ascorbic acid.
(A) D
(B) A
(C) E
(D) C
The answer is: (D) C
One atomic mass unit (amu) is a mass unit equal to exactly one-twelth the mass of a ________ atom.
(A) carbon-8
(B) carbon-12
(C) carbon-16
(D) carbon-20
The answer is: (B) carbon-12
A ________ consists of the elements in any one horizontal row of the periodic table.
(A) block
(B) base
(C) group
(D) period
The answer is: (D) period
An electrolyte is a substance that produces ________ solution when dissolved in water.
(A) conducting
(B) nonconducting
(C) poorly conducting
(D) B and C
The answer is: (A) conducting
The molecular formula of surcose (sugar or table sugar) is
(A) C6H12O6
(B) C12H22O11
(C) C6H12
(D) C12H22
The answer is: (B) C12H22O11