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Most viewed questions under tag science

+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
In the Earth's crust, which chemical element has the largest share of 47 percent in terms of weight ?
posted Feb 27, 2015 by Varun Kumar
  • science
  • mineral
+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
+4 votes
1 answer
What is Epoxy Resins?
posted Apr 30, 2016 by Erika
  • science
0 votes
Which of these scientist was inspired to make its famous discovery in a sea voyage in 1921? [MCQ]
posted Nov 5, 2018 by anonymous
  • history
  • personality
  • science
+1 vote
1 answer
What color is the hottest part of the fire?
posted Feb 28, 2018 by Willow Wilson
  • color
  • science
+3 votes
4 answers
What is the chemical name of Baking Soda ?
posted May 19, 2015 by Shivaranjini
  • chemicals
  • science
+1 vote
2 answers
Why does an old bottle of aspirin smell like vinegar?
posted Oct 27, 2017 by Paxton Brown
  • why
  • medical
  • medicine
  • science
+2 votes
1 answer
Which India born physicist invented the 'Optical Fibre' ?
posted Mar 24, 2015 by Tanmoy Debnath
  • invention
  • science
  • india
  • history
+2 votes
1 answer
Which gas is the main constituent of 'Gobar Gas', the biogas generated by de-composition of cow dung ?
posted May 19, 2015 by Shivaranjini
  • 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
0 votes
1 answer
What is the difference between involuntary actions and reflex actions?
posted Jan 5, 2017 by anonymous
  • difference
  • science
+1 vote
1 answer
Who invented microphone?
posted Jan 10, 2017 by Sahana
  • invention
  • personality
  • science
+1 vote
1 answer
Why the tanks used by scuba divers are filled with air diluted with helium ?
posted Mar 9, 2016 by Vikash Singh
  • science
0 votes
1 answer
what is combustion.
posted Jul 4, 2018 by Saurabpratap Singh
  • science
+1 vote
1 answer
Which are the following cannot be a part of Vegan Diet?
posted May 10, 2016 by Nway Nadar
  • science
  • food
+1 vote
2 answers
Why are there lines on the rear glass of cars?
posted Sep 8, 2017 by Sona Munshi
  • general
  • car
  • glass
  • science
+1 vote
1 answer
The radii of 2 of 1st four Bohr's orbits of hydrogen atom are in ratio 1:4. What is the energy difference between them?
posted Jul 27, 2017 by Neha Rajput
  • science
  • atom
  • physics
+1 vote
1 answer
In the context of light, if we mix all the seven colors of the rainbow, what would the resultant color be?
posted Sep 1, 2017 by Prajwal C.m.
  • science
  • physics
  • general
+1 vote
1 answer
On 1st July 1997, where was India's first Science City inaugurated ?
posted Jul 16, 2015 by Prithvi
  • india
  • science
  • city
+2 votes
2 answers
Which is the only metal that exists in liquid form at normal room temprature (25 degree Celsius) ?
posted Jan 5, 2015 by Manikandan J
  • science
+6 votes
1 answer
What is the difference between Social Science and Physical Science?
posted May 10, 2016 by Ritika Sharma
  • science
  • difference
+1 vote
1 answer
What is the process of removing of green pigment in leaf?
posted Dec 28, 2017 by Wani Tariq
  • science
  • process
  • botany
+2 votes
1 answer
In which layer of the atmosphere do aeroplanes fly?
posted Jun 11, 2015 by Pravin Vaity
  • science
0 votes
0 answers
A natural force that pulls only is called
posted Feb 26, 2020 by Joycelina Tapia Campos (anamay)
  • science
+2 votes
1 answer
What is the astronomical term for the measure of the reflective ability of a heavenly body?
posted Nov 20, 2015 by Sandeep Otari
  • science
+1 vote
1 answer
What is the imaginary line called that connects the north and south pole?
posted Oct 13, 2016 by Puja Maitra
  • geography
  • science
+1 vote
A disease Kwashiorkor is caused by deficiency of [MCQ]
posted Nov 24, 2017 by Sona Munshi
  • science
  • food
  • vitamin
+2 votes
2 answers
How Tropical Cyclone Are Named In India?
posted Dec 11, 2016 by Atindra Kumar Nath
  • india
  • meteorology
  • science
+6 votes
1 answer
Why Nichrome wire are used in an Electric Heater?
posted Apr 30, 2016 by Abhay Dubey
  • science
  • elements
+1 vote
3 answers
Which is the lowest layer of the Sun, visible to us when we look at it ?
posted Apr 18, 2015 by Ankur Athari
  • science
+1 vote
1 answer
Which is the only non-metal element that exists in liquid form at room temprature (25 degree Celsius) ?
posted Apr 21, 2015 by Aman
  • science
+2 votes
1 answer
What is another name for a tidal wave?
posted May 20, 2017 by Alivia Clark
  • science
  • water
0 votes
0 answers
Why do Trucks carrying Explosives have a Metal chain Touching the Ground?
posted Jan 19, 2018 by Tanay Hanuman Toor
  • why
  • science
  • metal
+1 vote
1 answer
What name is given to the scientific study of human populations ?
posted May 13, 2015 by Anamika
  • population
  • science
0 votes
Who established scientifically that an individual's fingerprints provide permanent identification? [MCQ]
posted Nov 27, 2017 by anonymous
  • personality
  • history
  • science
  • identify
0 votes
1 answer
What is the normal temperature of a human body?
posted May 18, 2018 by Sudeshna Das
  • human body
  • general
  • science
+2 votes
1 answer
Who added 'Jai Vigyan' to the Lal Bahadur Shastri's slogan 'Jai Jawan, Jai Kisan'?
posted Jul 21, 2015 by Anuradha Tabyal
  • india
  • personality
  • science
+2 votes
1 answer
Why Does a Capsule has two different colors one part is wider than the other?
posted Aug 8, 2016 by Raghav Choudhary
  • medicine
  • science
0 votes
2 answers
What is the reason DNA would unzip itself and split apart?
posted Jul 30, 2019 by Comeback Tuesday
  • science
  • human
0 votes
1 answer
A plastic cube is released in water, will it sink or come to the surface of water?
posted Jul 14, 2018 by Vijay Bhosale
  • science
  • physics
0 votes
0 answers
Immediately after crisis and occupation which strategy did the Japanese apply? Describe it.
posted Aug 31, 2020 by Ali Aafarani
  • science
+2 votes
1 answer
The frequency of which of the following is the highest? A. Gamma rays B. Light waves C. Micro waves D. Radio waves
posted Dec 10, 2015 by Prithvi
  • science
+1 vote
1 answer
Which scientist is often referred to as the 'Father of the Atom Bomb' ?
posted Apr 3, 2015 by Amit Kumar Pandey
  • personality
  • science
0 votes
1 answer
A hole is made in a brass plate and it is heated. The size of the hole will
posted Oct 27, 2015 by Mona Sharma
  • science
0 votes
0 answers
What is the name the unit in which atomic radius is usually expressed?
posted Feb 21, 2017 by anonymous
  • science
  • atom
  • unit
+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
0 votes
1 answer
What is the first compound which is fixed during photosynthesis?
posted May 3, 2017 by Mantosh Dubey
  • science
  • photosynthesis
+2 votes
2 answers
How many days moon takes to revolve around the earth?
posted Jan 15, 2016 by anonymous
  • moon
  • science
+3 votes
1 answer
To preserve the filaments at high temperature, which gas is filled in the electric bulbs ?
posted May 19, 2015 by Shivaranjini
  • science
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