General Science Quiz Test 2 Start your test Q1. Which one of the following is not an element of Noble gases? Helium Neon Xenon Hydrogen None Q2. Mole is defined as the number of atoms found in _____ of carbon-12? 11 grams 12 grams 13 grams 14 grams None Q3. Which of the following is not a mixture? Steel Aluminium Graphite Glass None Q4. Alloys are _______________ Harder than the pure metal Harder than the impure metal Softer than the pure metal Softer than the impure metal None Q5. What is the name of that process in which oxygen is removed? Oxidation Electrolysis Ionization Reduction None Q6. Rusting is an ___________ reaction. Ionization Oxidation Reduction None of the above None Q7. What is needed for rusting to occur? Water Oxygen Water and Oxygen Carbon dioxide None Q8. All acids are ________________ Corrosive when they are strong Corrosive when they are weak Irritant when they are strong None of the above None Q9. When an acid reacts with a metal carbonate, the products formed are _____________ Salt, Water and Carbon dioxide Salt and Water Water and Carbon dioxide Salt and Carbon dioxide None Q10. Which one is an alkaline among the following? Vinegar Saliva Ammonia Acid rain None Q11. In Periodic table elements are arranged according to their ___________ Mass number Atomic and Mass number Atomic number None of the above None Q12. What is an Isotope? Atoms of an element having different mass number Atoms of an element having same mass number Atoms of an element having different atomic number Atoms of an element having same atomic number None Q13. Atomic number is represented by which letter? A M X Z None Q14. Which science is sometimes called central science? Physics Chemistry Biology Geology None Q15. Which acid is used in the body to help digestion? Hydrochloric Acid Sulphuric Acid Acetic Acid Boric Acid None Q16. On 11 February 2016 The LIGO Scientific Collaboration announced the detection of electromagnetic waves seismic waves gravitational waves radio waves None Q17. The SI unit of charge is Ampere Coulomb Ohm Volt None Q18. Very High Frequency (VHF) have __________ wavelengths. shorter shortest longer longest None Q19. Long-sight defect could be corrected by using __________ lens. concave vonvex diverging none of these None Q20. Deficiency of Vitamin A results in night blindness rickets scurvy hair fall None Q21. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will also decrease increase remains constant none of these None Q22. The lifespan of Red Blood Cells is __________ days. 60 120 180 240 None Q23. The density of water is 1 g/cm3 1.5 g/cm3 2 g/cm3 none of these None Q24. Radioactivity was discovered by Kelvin Thomson Rutherford Bacquerel None Q25. A device which converts chemical energy into electrical energy is called motor generator moving-coil meter battery None Time's upTime is Up!
