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Post under tag chemicals
Most voted questions under tag chemicals
Recent
MCQs
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Articles
+5
votes
2
answers
What is process called which turned a gas into a liquid ?
posted
Nov 22, 2015
by
Vikalp Tiwari
chemicals
science
process
+3
votes
2
answers
Which compound is added to Petrol for preventing knock-of the Engines?
posted
May 17, 2016
by
Chandan Kumar Pandey
science
chemicals
+3
votes
1
answer
Which acid is used to dissolve noble metal?
posted
May 3, 2016
by
anonymous
science
chemicals
+3
votes
1
answer
What is the name of the process by which plants obtain carbohydrates from carbon dioxide and water?
posted
Sep 25, 2015
by
Kapil Kapoor
plants
chemicals
process
+3
votes
4
answers
By which process liquid Vegetable Oil is converted to solid Vanaspati Ghee ?
posted
Jun 29, 2015
by
Swati Arora
chemicals
science
+3
votes
4
answers
What is the chemical name of Baking Soda ?
posted
May 19, 2015
by
Shivaranjini
chemicals
science
+3
votes
2
answers
What name is given to the metallurgical process used to coat steel or iron with zinc ?
posted
Apr 9, 2015
by
Balwinder
chemicals
metallurgy
+2
votes
1
answer
Which chemical is used for removing air bubbles from glass during its manufacture?
posted
May 17, 2016
by
Aarati Mahajan
chemicals
+2
votes
0
answers
Which chemical produced the green flames in fire works?
posted
Apr 26, 2016
by
Aarati Mahajan
chemicals
fireworks
+2
votes
1
answer
Which chemical is present in nail polish remover?
posted
Apr 15, 2016
by
Kavyashree
chemicals
+2
votes
1
answer
What is the full form of DDT? And what are the uses of DDT?
posted
Mar 18, 2016
by
Farhan
science
chemicals
+2
votes
1
answer
Chlorophyll is a naturally occurring chelate compound in which what is the central metal ?
posted
Aug 21, 2015
by
Simranjeet Singh
chemicals
+2
votes
1
answer
Which hormone, released when danger threatens, is known as Emergency hormone ?
posted
Jul 13, 2015
by
Nikita Sehgal
human
body
chemicals
+2
votes
2
answers
What is Diesel Exhaust Fluid and what are its components?
posted
Jun 5, 2015
by
Anamika
chemicals
+2
votes
1
answer
The deficiency of which element leads to the 'Goitre', a swelling in thyroid gland ?
posted
Jun 4, 2015
by
Harshita Dhaliwal
chemicals
health
+2
votes
1
answer
Despite a ban by the Government as it produces harmful acetylene gas,which chemical is most used by fruit seller?
posted
May 15, 2015
by
Divya Bharti
india
chemicals
health
+2
votes
1
answer
The increased level of the bilirubin in the blood leads to which disease ?
posted
Apr 22, 2015
by
Anuradha Tabyal
health
chemicals
+1
vote
1
answer
Aspartame is a chemical used as what?
posted
Jan 4
by
Aastha Joshi
chemicals
+1
vote
1
answer
What is a mixture of saturated aliphatic and alicyclic C7 to C12 hydrocarbons with a maximum content of 25% of C7.......
posted
Jan 3
by
Aarati Mahajan
chemicals
+1
vote
1
answer
What colour does blue litmus paper turn when in contact with acid?
posted
Oct 13, 2023
by
Ritika
chemicals
+1
vote
1
answer
What is another name for caustic soda?
posted
May 18, 2023
by
Prithvi
chemicals
+1
vote
1
answer
What is traditionally added to sulphur and saltpetre to make gunpowder?
posted
Mar 21, 2023
by
Tapesh Kulkarni
chemicals
+1
vote
1
answer
What is the common name of the chemical NH3, which is found in cleaning products?
posted
Mar 16, 2023
by
Yogeshwar Thakur
chemicals
+1
vote
1
answer
In July 2009, why did Russian physicists begin trying to synthesize Ununseptium?
posted
Jun 2, 2022
by
Harshita Dhaliwal
chemicals
+1
vote
1
answer
What is the most noticeable reaction when sodium is put into water?
posted
Mar 15, 2022
by
Nimish
chemicals
+1
vote
1
answer
What chemicals are used to transmit messages to other animals of the same species?
posted
Oct 11, 2021
by
Mohammad
animal
chemicals
+1
vote
1
answer
What colour are copper sulphate crystals?
posted
Jun 1, 2021
by
Riteshwar
chemicals
colour
+1
vote
1
answer
What is the common name for acetyl-salicylic acid?
posted
Dec 16, 2020
by
Vishal
chemicals
+1
vote
1
answer
Chloramine T trihydrate is a reagent commonly used in what?
posted
Aug 24, 2020
by
Sandeep Otari
chemicals
+1
vote
1
answer
What is prussic acid, found in bitter almonds and laurel leaves, also known as?
posted
Jan 24, 2020
by
Samardeep Acharya
chemicals
+1
vote
1
answer
What element, an essential plant nutrient, is used in the semiconductor industry?
posted
Dec 24, 2019
by
Yogeshwar Thakur
elements
chemicals
plant
nutrition
semiconductor
+1
vote
1
answer
Nitroglycerin is made by treating glycerin with nitric acid and … what?
posted
Dec 17, 2019
by
Prithvi
chemicals
chemistry
+1
vote
1
answer
Which acid is known as king of acid?
posted
Jan 26, 2019
by
Zubair Butt
chemicals
+1
vote
1
answer
What is a chemical
posted
Oct 5, 2017
by
Kino King
chemicals
+1
vote
2
answers
What is the white, powdery substance that forms on battery?
posted
Sep 18, 2017
by
Paxton Brown
science
chemicals
substance
battery
+1
vote
1
answer
What is the chemical name of sand?
posted
Jul 27, 2017
by
Riya Kumari
chemicals
+1
vote
0
answers
What is the term for the conversion of a solid directly into a vapour by applying heat?
posted
Jan 30, 2017
by
Manish Tiwari
conversion
chemicals
+1
vote
0
answers
The chemical messenger that transports signals from one cell to another, called phytohormones in plants, are............
posted
Nov 7, 2016
by
Nimish
chemicals
animal
+1
vote
1
answer
Deep blue colour is imparted to glass by the presence of which colour?
posted
May 18, 2016
by
Kuldeep Apte
chemicals
+1
vote
1
answer
Detergents used for cleaning clothes and utensils contain which chemical?
posted
May 17, 2016
by
Simranjeet Singh
chemicals
+1
vote
1
answer
What chemical is responsible for the smell of rotten eggs in hot mud pools?
posted
Apr 7, 2016
by
Maninder Bath
chemicals
+1
vote
1
answer
What is Syn Gas (synthesis gas) and what is its use?
posted
Mar 8, 2016
by
Vikash Singh
chemicals
gas
+1
vote
1
answer
Which chemical process is involved in changing ethyl chloride to ethyl alcohol?
posted
Nov 6, 2015
by
Brijesh Talwar
chemicals
process
+1
vote
1
answer
What is another name for sodium bicarbonate?
posted
Aug 14, 2015
by
Aastha Joshi
chemicals
+1
vote
0
answers
In 1847, obstetrician James Young Simpson, head of midwifery at Edinburgh Hospital, first used what anaesthetic?
posted
Jul 20, 2015
by
Prachi Sharma
international
chemicals
health
+1
vote
1
answer
For red colour, compounds of which element are commonly used in fireworks ?
posted
Jul 3, 2015
by
Varuna Magar
chemicals
+1
vote
1
answer
Which is the most commom chemical used in cloud seeding ?
posted
Jun 15, 2015
by
Rajni
chemicals
+1
vote
1
answer
In 1885, who developed the vaccine for rabies ?
posted
Jun 12, 2015
by
Harshita Dhaliwal
health
chemicals
+1
vote
1
answer
Which causes Ground Level Ozone ?
posted
Jun 5, 2015
by
Kapil Kapoor
chemicals
+1
vote
0
answers
Monosodium glutamate, is added to packaged food to enhance which thing in food ?
posted
Jun 3, 2015
by
Madhavi Latha
chemicals
food
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