General Science Chemistry MCQs

Q.  Choose the incorrect acid-source pair?

a. Citric acid – Lemon
b. Lactic acid – Sour milk
c. Oxalic acid – Ant sting
d. Methanoic acid – Nettle sting


ANSWER: See Answer
 
An ant sting contains Methanoic acid. The sting leaves an acid which causes irritation. Use of a mild base like baking soda on the stung area gives relief.
MCQs:  Which of these cannot be the reason for the permanent hardness in water?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which part of the soap dissolves in water?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of these drugs help to reduce or abolish pain without causing impairment of consciousness?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following metals is the first metal used by a man?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following is the process to remove calcium and magnesium from hard water?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  After whom is the chemical element with atomic number 102 named?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  What is the process used to separate the different components of oil?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  What is the main constituent of coal gas?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following gases were called Fixed Air by Scottish physician Joseph Black which is discovered in 1750s?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Who discovered Benzene?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following subatomic particle was discovered by Goldstein on the basis of the cathode ray experiment?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following materials can be used by a farmer to treat the too acidic soil of his fields? 1: Quick lime (CaO) 2: Slaked lime (Ca(OH)2) 3: Chalk (CaCO3) Select the correct option from the codes given below:
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Indicators such as litmus can be used to determine: 1: Acidity or alkalinity of a solution 2: pH value of a solution Select the correct option from the codes given below:
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  People suffering from acidity are given antacid tablets with most commonly which of the following salts?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following is / are correct statement(s) about Sir Shanti Swaroop Bhatnagar?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following is correct combination of masses of the three sub-atomic particles?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following is correct electronic configuration of Krypton, whose atomic number is 36?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following isotope of Hydrogen has only one neutron?
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following salts and their chemical names are correctly paird? 1: White vitriol – Zinc sulfate 2: Red Vitriol – Copper sulfate 3: Green Vitriol – Ferrous sulfate Select the correct option from the codes given below:
Category: Chemistry Mcqs,   Published by: T-Code Scripts
MCQs:  Crystals of a compound changes its blue color to white on heating in a closed container. However, it regains blue color after sometime when allowed to cool down. This compound is of which of the following metals?
Category: Chemistry Mcqs,   Published by: T-Code Scripts