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

1 Answers  

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What is the Botany?

3 Answers  

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Wood is the main raw material for the manufacture of 1 Paint 2 Paper 3 Ink 4 Gun powder

5 Answers   Jharkhand Staff Selection Commission JSSC, RRB,

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The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these

1 Answers   CPSE,

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Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium

1 Answers  

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Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon

3 Answers   SSC,

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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these

1 Answers  

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Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei

1 Answers  

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Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon

1 Answers  

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Difference between Respiration and Photosynthesis ?

8 Answers  

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how to take 2 pages print in to one page?

2 Answers   ISRO,

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Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid

5 Answers  

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