Potassium nitrate is used in
1 Salt
2 Glass
3 Fertilizer
4 Medicine
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The disease that is caused by viral infection is
An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
plants in a food chain are actually the
2 Answers Competitive Exams, Stenographer,
Which country has no sunrise?
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
At which place will second centre of the indian institute of science be opened?
What are nebulae?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
Explain the role of Science for sustainable Development
0 Answers Mahatma Gandhi University,
How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap
What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy
Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium
Biological Sciences 
