50+ GENERAL SCIENCE QUESTIONS

1) The Isotopes Of Any Atomic Nucleus Is In Which - Number Of Protons Be Same But The Number Of Neutrons Are Different. 

2) Isotones Are Those Which Have - Equal Number Of Neutrons 

3) The Iron Container Or Vessel Is Galvanized By - Zinc 

4) What Is The PH Value Of Pure Water - 7 

5) The Tendency To Accept The Electrons Is Called - Reduction 

6) The Element Which Has Same Mass Number But Different Atomic Number Is Called - Isobar 

7) Which Isotope Is Used Through The Radioactive Age Estimation Technique To Obtain The Age Of Rocks - Uranium Isotope 

8) Which Of The Following Isotopes Of Hydrogen - Protium, Deuterium, Tritium 

9) The Tendency To Donate The Electron Is Called - Oxidation 

10) How Many Charges Alpha Rays Consists Of - 2 Unit Positive Charges 

11) In The Exothermic Reactions - Heat Is Evolved 

12) The Substance Which Makes The Blue Litmus Paper Red  Is - Acid 

13) The Milk Is Example Of - Emulsion 

14) In Which Of The Following Silver Is Not To Be Present - German Silver 

15) The Gaseous Law Of Diffusion Was Propounded By - Grahm 

16) Which Of The Following Is Not A Radioactive Element - Zirconium 

But Astatine Francium & Titanium Are Radioactive 

17) The Substance Which Make Red Litmus Paper To Blue Is - Alkali 

18) Aluminium Metal Is Extracted Mainly From Its Ore - Bauxite 

19) The Chemical Utilized And Employed As Fixer In The Photography - Sodium Thiosulphate 

20) The Chemical Formula Of Washing Soda Is - Na2Co3 10 H2O 

Also Called Soda Ash 

21) What Will Be Changed When Iron Get Rusted - Its Weight Is Increased 

22) Which Of The Following Is The Lightest Element - Hydrogen 

23) The Element Radium Was Extracted From - Pinch Blend 

24) The Sharp Bitter Smell Of The Substance Which Is Found In The Colouration Or Painting Is - Zn3(Po4)2 

25) From Which Of The Following Ore , Iron Is Extracted - Haematite 

26) In The Ocean- Water Which Of The Following Salt Has Its Maximum Contribution In The Salinity - Sodium Chloride 

27) Which Of The Following Gas Pollutes The Most In The Air - Carbon Monoxide 

28) The Heavy Water Is A Type Of - Moderator 

29) Which Of The Following Gas Is Utilized To Fill Up The Balloon, Especially When Weather Related Prediction And Reporting Is To Be Done - Helium 

30) The Gas Utilized To Fill Up The Tyres Of The Aircraft Is - Nitrogen 

31) The Permanent Hardness Of Water Due To - Chloride And Sulphate Of The Calcium And Magnesium 

32) The Laughing Gas Utilized In The Form Of Anaesthesia By The Doctor Is - Nitrous Oxide 

33) The Substance Employed And Frequently Used In The Fluorescent Tube Is - Mercury Vapour And Argon 

34) The Gas Emancipating Through Paddy Field Is - Methane 

35) Which Of The Following Metal Is Used In The Accumulator Cell - Lead 

36) Dry Ice - Solid Carbon Dioxide 

37) Which Of The Following Is The Most Hard - Diamond 

38) CFC Stands For - Chloro Fluro Carbon 

39) Chemical Formula Of Baking Soda - NaHco3

40) Chemical Formula Of Chloroform - CHCl3 

41) Who Discovered Oxygen  - Joseph Priestley, Antoine Lavoisier And Carl Wilhelm Scheele In 1774 

42) Who Discovered Radium - Marie And Pierre Curie On 21st December 1898 

43) When An Acid Reacts With An Alkali To Form A Neutral Solution Of Salt And Water - Neutralisation Reaction 

44) Who Discovered Neutron - James Chadwick In 1920 

45) Who Discovered Electron -  J J Thomson in 1897 

46) Who Discovered Proton - Ernest Rutherford 1920 

47) Who Discovered Nucleus - Rutherford In 1911 

48) Charge Of Electron -  1.602 X 10 ^-19 

49) Charge Of Proton -  1.66X 10 ^ -24 

50) Mass Of Electron - 9.1 X 10 ^ -31 

51) Mass Of Proton -  1.67 X 10 ^-27