JOIN ADRE 2.0 Telegram Group

CSAT Prelims Chemistry - General Knowledge Questions and Answers for UPSC Exam | Page-2

Questions
11 A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel
A kills bacteria
B kills germ and spores
C absorbs all gases present inside the bottle
D absorbs moisture

Answer: Option [D]
12 Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance ?
A Nickel
B Aluminium
C Tungsten
D Chromium

Answer: Option [D]
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

13 Which one of the following statements is NOT correct ?
A All alkaline earth metals form hydrated salts
B Barium and strontium are found free in nature
C Gypsum is added to the cement to slow down its rate of setting
D The presence of NaCl increases the rate of setting of Plaster of Paris

Answer: Option [B]
14 Which one of the following pairs of metals constitutes the hightest metal and the heaviest metal, respectively ?
A Aluminium and mercury
B Aluminium and osmium
C Lithium and osmium
D Lithium and mercury

Answer: Option [C]
15 The offending substance in the liquor tragedies leading to blindness etc. is
A methyl alcohol
B benzyl alcohol
C amyl alcohol
D ethyl alcohol

Answer: Option [A]
16 Hydrogen fuel cell vehicles produce one of the following as “exhaust”
A H2O2
B H2O
C CH4
D NH3

Answer: Option [B]
17 Which one of the following is used as an anti-freeze for the automobile engines ?
A Ethanol
B Methanol
C Propyl alcohol
D Ethylene glycol

Answer: Option [D]
18 Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use ?
A When aspartame is used in food processing, the sweet taste remains , but becomes resistant to oxidation
B Aspartame is several times sweeter than table sugar, hence food items made with small quantities of aspartame yield fewer calories on oxidation
C Aspartame is as sweet as sugar, but after ingestion into the body, it is converted into metabolites that yield no calories
D Aspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidized in human body due to lack of requisite enzymes

Answer: Option [B]
19 Acid rain is caused by the pollution of environment by
A Nitrous oxide and sulphur dioxide
B Ozone and carbon dioxide
C Carbon dioxide and nitrogen
D Carbon monoxide and carbon dioxide

Answer: Option [A]
20 Which one of the following is an active component of oil of clove ?
A Menthol
B Eugenol
C Methanol
D benzaldehyde

Answer: Option [B]

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!

Chapters

Read More Chemistry Questions

Advertisement