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Unanswerd questions under tag chemicals

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Which clear hard plastics is a markedly poor barrier to oxygen and water vapour?
posted Mar 6, 2019 by Pankaj Deshmukh
  • chemicals
0 votes
0 answers
Can a dry mouth be cure? How
posted Jan 22, 2019 by Karang Agouda
  • chemicals
0 votes
0 answers
Can you use gold leaf on rose?
posted Jan 3, 2019 by anonymous
  • chemicals
  • floristry
  • flower
  • gold
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 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
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0 answers
If a chemical process is anaerobic it means it is happening under what conditions?
posted Nov 19, 2018 by Pankaj Deshmukh
  • chemicals
0 votes
The smell of hydrogen sulfide is usually compared with which of these? [MCQ]
posted Oct 10, 2018 by Alok Dev
  • 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
0 votes
0 answers
What is the effect of mixing manganese dioixide with hydrogen peroxide?
posted Sep 17, 2018 by Harshita Dhaliwal
  • chemistry
  • chemicals
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
Which element is essential for the construction of nuclear reactors? [MCQ]
posted Aug 27, 2018 by Jasmine P
  • chemicals
  • elements
  • nuclear
0 votes
What colour does red litmus paper turn when in contact with alkaline? [MCQ]
posted Aug 8, 2018 by Pankaj Deshmukh
  • chemicals
0 votes
What chemical is mostly used in match heads? [MCQ]
posted Jul 13, 2018 by Vishal
  • chemicals
0 votes
What chemical, found in many living organisms, is this compound of carbon, hydrogen and nitrogen, C5H9N3? [MCQ]
posted Jul 10, 2018 by Vikram Luthra
  • chemicals
  • organism
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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
0 votes
0 answers
What solvent is used in permanent marker?
posted Nov 2, 2017 by Jordan White
  • chemicals
  • science
  • things
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
0 answers
Name the chemical added to LPG to detect leakage.
posted Apr 8, 2017 by Divya Bharti
  • chemicals
  • lpg
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0 answers
Which chemical compound is used to make plastic?
posted Mar 31, 2017 by Tanmay
  • chemicals
  • plastic
+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
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The chemical messenger that transports signals from one cell to another, called phytohormones in plants, are............
posted Nov 7, 2016 by Nimish
  • chemicals
  • animal
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0 answers
What are the main constituents of pearls?
posted May 5, 2016 by Varun Kumar
  • chemicals
+2 votes
0 answers
Which chemical produced the green flames in fire works?
posted Apr 26, 2016 by Aarati Mahajan
  • chemicals
  • fireworks
+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
0 answers
Monosodium glutamate, is added to packaged food to enhance which thing in food ?
posted Jun 3, 2015 by Madhavi Latha
  • chemicals
  • food
+1 vote
0 answers
As per latest study , which amino acid can prevent formation of dental plaque ?
posted Jun 1, 2015 by Rahul Vaidya
  • health
  • chemicals
  • research
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