SSLC Science and Technology NIOS IX Welcome to your SSLC Science and Technology NIOS IX Total Questions: 50 Name Mobile No: 1. Carbon atomic number is: 6 8 4 12 None Hint 2. Organic compounds mainly contain: Nitrogen Oxygen Sulphur Carbon None Hint 3. Most reactive metal is: Potassium Copper Silver Gold None Hint 4. Non-metal essential for breathing: Hydrogen Nitrogen Carbon Oxygen None Hint 5. Metals are generally: Good conductors Poor conductors Non-conductors Good insulators None Hint 6. Main component of LPG is: Ethene Propane and Butane Ethane Methane None Hint 7. Simplest organic compound is: Methane Ethane Butane Propane None Hint 8. Property of beating metal into thin sheets is: Elasticity Malleability Ductility Hardness None Hint 9. Metal which is liquid at room temperature: Mercury Iron Copper Aluminium None Hint 10. Alloy of iron and carbon is: Copper Brass Steel Bronze None Hint 11. Carbon dioxide turns lime water: Green Milky Red Blue None Hint 12. Functional group of carboxylic acid: –OH –CHO –CO– –COOH None Hint 13. Diamond is: Liquid Gas Hardest natural substance Soft None Hint 14. Allotropes of carbon include: Zinc and lead Iron and copper Gold and silver Diamond and graphite None Hint 15. Property of carbon to form long chains is called: Polymerisation Isomerism Saturation Catenation None Hint 16. Double and triple bonds are present in: Saturated compounds Alcohols Unsaturated compounds Hydrocarbons only None Hint 17. Non-metals are usually: Dull Hard Strong Shiny None Hint 18. Property of drawing metal into thin wires is: Ductility Malleability Brittleness Hardness None Hint 19. Burning of carbon produces: Hydrogen Nitrogen Oxygen Carbon dioxide None Hint 20. Metals are good conductors of: Light only Air Water Heat and electricity None Hint 21. Gold and silver are: Highly reactive Non-metals Gases Less reactive None Hint 22. Vinegar contains: Citric acid Formic acid Lactic acid Acetic acid None Hint 23. Metal used in utensils: Carbon Sulphur Aluminium Chlorine None Hint 24. Non-metals gain electrons to form: Molecules Cations Anions Atoms None Hint 25. Ethanol is an example of: Alkane Alcohol Ester Acid None Hint 26. Diamond is a form of: Copper Carbon Zinc Iron None Hint 27. Methane chemical formula is: CO₂ CH₄ C₂H₆ C₃H₈ None Hint 28. Ethyne belongs to: Alkane Ketone Alkene Alkyne None Hint 29. Non-metals react with oxygen to form: Metal oxides Neutral oxides Basic oxides Acidic oxides None Hint 30. Non-metals are poor conductors of: Air Water Heat and electricity Light None Hint 31. Metal used for electrical wires: Copper Iron Lead Zinc None Hint 32. Compounds containing only single bond are: Aromatic Saturated Cyclic Unsaturated None Hint 33. Metals react with acids to produce: Oxygen Nitrogen Hydrogen gas Carbon dioxide None Hint 34. Rusting requires: Air and moisture Oxygen only Water only Heat only None Hint 35. Graphite is a non-metal but conducts: Water Air Heat Electricity None Hint 36. Carbon forms covalent bond by: Donating protons Losing electrons Gaining electrons Sharing electrons None Hint 37. Sodium is stored in: Water Acid Oil/Kerosene Air None Hint 38. Ethene belongs to: Alkane Alcohol Alkyne Alkene None Hint 39. Valency of carbon is: 5 2 3 4 None Hint 40. Rusting is formation of: Copper oxide Iron oxide Zinc oxide Aluminium oxide None Hint 41. Hydrocarbons contain: Carbon only Carbon and oxygen Hydrogen only Carbon and hydrogen None Hint 42. Hard water does not form lather with: Acid Alcohol Soap Detergent None Hint 43. Functional group of alcohol is: –OH –NH₂ –CHO –COOH None Hint 44. Alloy of copper and zinc is: Solder Bronze Brass Steel None Hint 45. Graphite is used in: Fuel Utensils Jewellery Pencil lead None Hint 46. Detergents are effective in: Soft water only Hard water also Distilled water only Sea water only None Hint 47. Metals react with oxygen to form: Metal chloride Metal carbonate Metal sulphide Metal oxide None Hint 48. Metals are generally: Brittle Shiny (Lustrous) Dull Soft None Hint 49. Soap is used for: Lighting Heating Cooking Cleaning None Hint 50. Metals lose electrons to form: Molecules Atoms Anions Cations None Hint Time's up Share: admin Previous post SSLC Science and Technology NIOS VIII February 12, 2026 Next post SSLC Science and Technology NIOS X February 13, 2026