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Chemistry MCQ Questions Set-10

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1. Which is a compound that contains carbon?




2. The mass number of an isotope of an element is 298. If its nucleus has 189 neutrons, what is its atomic number?




3. which of the following molecule contains a nonpolar covalent bond?




4. Which one of the following cell organelles mainly functions as storehouse of digestive enzymes?




5. Barbituric Acid was synthesized in 1864 by




6. Which of the following statements is not true?




7. Which of the following is not a type of chemical weathering?




8. What two elements are used to make bronze?




9. The principal quantum number indicates what property of an electron?




10. The first two steps in the lithification process are




11. Monazite is an ore of




12. Group 7A of the periodic table contains the




13. The chemical makeup of a rock is




14. Plaster of Paris ______. I. changes into gypsum on mixing with water II. is CaSO4.2H2O III. is used for decoration




15. Which best describes the nucleus of an atom?




16. Theory of Evolution tells us how life evolved from simple to more complex forms




17. How many carbon and hydrogen atoms are there in Propane, respectively?




18. Which of the following has the highest melting and boiling point?




19. Which process is a chemical change?




20. Atoms of the same element can differ in




21. Synthetic detergents are prepared from




22. Non metal found in liquid state?




23. Which one of the following is commonly used as an indicator to measure the exact pH?




24. Which among the following is false about acids?




25. The mass of one molecule of oxygen is




26. Alkali metals can




27. Which of the following has the highest boiling point?




28. Which one of the following is the correct relation between the Kelvin temperature (T) and the Celsius temperature (fc)?




29. Atoms of same element having different mass numbers are called__________




30. The complexity and variety of organic molecules is due to




31. A change in which one or more new substances are formed is called _________.




32. Covalent bonds are formed when electrons are




33. The movement of water molecules through the plasma membrane is called ______.




34. Which of the following has largest atomic radius?




35. Which chemical is present in the cells of cork of tree which makes them impervious to gases and water




36. reaction occurs when sodium sulphate reacts with barium chloride




37. In the modern periodic table. periods ............ and ........ contain Lanthanoides and Actinoides.




38. Which of the following molecules is joined by a double covalent bond?




39. Turquoise is an ore/mineral of




40. What happens to electrons in an ionic bond?




41. Carbon dioxide is one of the gases that cause the _________.




42. Which element is not a part of a nitrogenous base?




43. Adding which substance gives blue colour to glass?




44. All atoms of the same element have the same




45. When Granite rocks get metamorphosed, they form




46. Which of the following gases is not generated in a biogas plant?




47. Which metal is responsible for Itai-Itai disease?




48. Which of the following is an ore of Aluminium?




49. One turn of the citric acid cycle produces




50. In general the largest component of bog soils is