Welcome to your Chemistry SSC General Studies 50 MCQ SET:-2
Date:- 23/12/2024
1.
Ozone is an allotrope of __.
2.
What do you call a base that dissolves in water?
3.
Which of the following statements is/are correct?
4.
Muriatic acid is another name of which compound is used in the production of chlorides, fertilisers, and dyes, in electroplating, and in the photographic, textile and rubber industries?
5.
Which of the following acids makes the pH of vinegar acidic?
6.
What happens when an acid or a base is mixed with water?
7.
pH of milk of magnesia is_________.
8.
What does ‘p’ in pH stand for?
9.
Which of the following bases is found in window cleaner?
10.
When the litmus solution is neither acidic nor basic, its colour is __.
11.
Which of the following pairs of ‘Natural source – Acid’ is NOT correctly matched?
12.
Which of the following is another name of folic acid ?
13.
Identify the alloy among the following of which lead is a component.
14.
Which potassium salt is a mineral supplement used to treat or prevent low levels of potassium in the blood?
15.
Who synthesised acetic acid for the first time ?
16.
Name the only metal that is antibacterial.
17.
Which of the following is an example of a pair of Isobars?
18.
The salinity of ocean waters is calculated as the amount of salt (in gm) dissolved in __ gm of seawater.
19.
Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of __ by volume.
20.
Which metal sulphate, composed of potassium, aluminium, and sulphate ions in the ratio 1 : 1 : 2, plays a role as a flame retardant, a mordant and an astringent?
21.
Which of the following bases is found in lime water?
22.
The reaction between an acid and a base is known as_______.
23.
Which of the following is NOT the correct match?
24.
Match List-I with List-II.
25.
Which of the following acids is found in spinach?
26.
Which of the following is NOT a natural acid-base indicator?
27.
Which is the rarest element ?
28.
Tooth decay starts when the pH of the mouth is lower than __.
29.
Which of the following statements is correct?
30.
Acidic nature of soil is shown by high concentration of __ .
31.
When an ant bites, it injects acidic liquid (formic acid) into the skin. What among the following should be applied to the skin to neutralise it ?
32.
How does hydrochloric acid help in facilitating the action of pepsin?
33.
Which among the following is a covalent compound?
34.
A 100 mL solution having 0.01 moles of NaOH dissolved in it. The pH of the solution is:
35.
Which of the following is a low-grade brown coal that is soft with high moisture content?
36.
Which of the following is used as an antacid to neutralise stomach acidity?
37.
Which one of the following features is NOT shown by metals?
38.
How many protons are there in a lithium nucleus?
39.
Which of the following is a property of silicon dioxide?
40.
What is the Atomic Number of the element Einsteinium?
41.
Which of the following minerals has kieserite as its ore ?
42.
Which acid is predominantly present in tomatoes?
43.
Which of the following is used as a substitute of mercury in thermometers?
44.
Which of the following substances has a pH value of about 14?
45.
Which of the following metals reacts with the moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat?
46.
Which acid destroys the bacteria that enter the stomach?
47.
Which of the following is a natural acid-base indicator ?
48.
Constantan is an alloy of copper and _.
49.
Identify the acid that helps in digestion.
50.
Which of the following is one of the metals used in LED semiconductor technology?
