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Most viewed questions under tag 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
+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
+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
+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
0 votes
1 answer
Hydrogen and Carbon monoxide are the major constituents of which fuel gas ?
posted Jul 30, 2015 by Yogeshwar Thakur
  • gas
  • chemicals
+1 vote
1 answer
What is the chemical name of sand?
posted Jul 27, 2017 by Riya Kumari
  • chemicals
+1 vote
1 answer
In the chemical process of Vulcanization, with which element is the natural rubber heated to make it ...............
posted Apr 29, 2015 by Balwinder
  • chemicals
  • science
+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
0 votes
1 answer
What is the process of conversion from solid to gas state, please share five such examples which follow this process?
posted Mar 6, 2016 by anonymous
  • process
  • 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
+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
0 votes
0 answers
What chemical compound that is a colourless solid is about 3,000 times stronger than acetic acid?
posted Aug 31, 2018 by Nimish
  • chemicals
0 votes
0 answers
Name the chemical added to LPG to detect leakage.
posted Apr 8, 2017 by Divya Bharti
  • chemicals
  • lpg
+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
0 votes
1 answer
What is the chemical name of a substance which kills rats?
posted Jul 31, 2017 by Rameshwar Singh
  • chemicals
  • substance
0 votes
Which of these is essential to the production of glass, rayon, soaps, detergents, dyeing textiles and in toothpaste? [MCQ]
posted Dec 4, 2017 by anonymous
  • chemicals
+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
+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
Detergents used for cleaning clothes and utensils contain which chemical?
posted May 17, 2016 by Simranjeet Singh
  • chemicals
+1 vote
1 answer
Nitroglycerin is made by treating glycerin with nitric acid and … what?
posted Dec 17, 2019 by Prithvi
  • chemicals
  • chemistry
+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
0 votes
Which of these are available in varieties such as 'rasayanik' and 'jaivik'? [MCQ]
posted Sep 20, 2018 by Pallavi Dubey
  • chemicals
  • organic
+1 vote
1 answer
What is the popular name of Magnesium Sulphate, a white crystalline salt used in medicine and in leather processing ?
posted Feb 24, 2015 by Mishthy Mukherjee
  • chemicals
0 votes
1 answer
What is the color of pure sulphur?
posted Apr 20, 2017 by Basabdatta Mukherjee
  • chemicals
+1 vote
1 answer
By what name is the chemical 'Polytetrafluoroethylene', which is coated on cooking utensils to make them non sticky ?
posted May 1, 2015 by Prachi Sharma
  • chemicals
+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
In 1885, who developed the vaccine for rabies ?
posted Jun 12, 2015 by Harshita Dhaliwal
  • health
  • chemicals
+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
+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
Which acid is known as king of acid?
posted Jan 26, 2019 by Zubair Butt
  • chemicals
+1 vote
1 answer
When an ant bites a person, which irritating chemical it (ant) injects into his (person) body ?
posted May 4, 2015 by Rahul Vaidya
  • chemicals
  • health
+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
The increased level of the bilirubin in the blood leads to which disease ?
posted Apr 22, 2015 by Anuradha Tabyal
  • health
  • chemicals
+3 votes
1 answer
Which acid is used to dissolve noble metal?
posted May 3, 2016 by anonymous
  • science
  • 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 another name for sodium bicarbonate?
posted Aug 14, 2015 by Aastha Joshi
  • chemicals
0 votes
Which of these is a common synthetic compound that, from 1878 to 1950, was derived from toluene extracted from coal tar? [MCQ]
posted Jan 3, 2019 by Saif Khanam
  • chemicals
0 votes
0 answers
Which chemical compound is used to make plastic?
posted Mar 31, 2017 by Tanmay
  • chemicals
  • plastic
+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
0 votes
0 answers
Which poisonous compound can be a gas, solid or liquid, the most infamous application of which was use by...............
posted Dec 14, 2018 by Kuldeep Apte
  • chemicals
+1 vote
1 answer
Which is the most commom chemical used in cloud seeding ?
posted Jun 15, 2015 by Rajni
  • 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
+2 votes
1 answer
Which chemical is present in nail polish remover?
posted Apr 15, 2016 by Kavyashree
  • 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
What is a chemical
posted Oct 5, 2017 by Kino King
  • chemicals
0 votes
Which element is essential for the construction of nuclear reactors? [MCQ]
posted Aug 27, 2018 by Jasmine P
  • chemicals
  • elements
  • nuclear
+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
0 votes
0 answers
Which is the most commonly used chemical for ripening of mangoes in India?
posted Sep 18, 2017 by Rameshwar Singh
  • chemicals
  • fruit
0 votes
What colour does red litmus paper turn when in contact with alkaline? [MCQ]
posted Aug 8, 2018 by Pankaj Deshmukh
  • chemicals
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