This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 1 Chemical Reactions And Equations – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which among the following is(are) double displacementreaction(s)?(i) Pb + CuCl2 $\rightarrow$ $\rightarrow$ $\rightarrow$ $\rightarrow$ A) (i) and (iv). B) (ii) only. C) (i) and (ii). D) (iii) and (iv). Show Answer Correct Answer: B) (ii) only. 2. The chemical reaction involved in the corrosion of iron metal is that of A) Oxidation as well as displacement. B) Reduction as well as combination. C) Oxidation as well as combination. D) Reduction as well as displacement. Show Answer Correct Answer: C) Oxidation as well as combination. 3. The following is an example of:4NH$_{3}$ + 5O$_{2}$ ..... > 4NO + 6H$_{2}$O (i) displacement reaction(ii) combustion reaction (iii) redox reaction (iv) neutralization reaction A) (i) and (iv). B) (ii) and (iii). C) (i) and (ii). D) (iii) and (iv). Show Answer Correct Answer: C) (i) and (ii). 4. Identify the type of chemical reaction:NaHCO$_{3 ..... >}$ Na$_{2}$CO$_{3}$ + H$_{2}$O + CO$_{2}$ A) Combination reaction. B) Decomposition reaction. C) Displacement reaction. D) Double displacement reaction. Show Answer Correct Answer: B) Decomposition reaction. 5. When ethane reacts with oxygen present in air it produces CO$_{2}$ and water. In this reaction how many moles of oxygen is used? A) 3. B) 5/2. C) 2. D) 7/2. Show Answer Correct Answer: D) 7/2. 6. CaO + H$_{2}$O ..... > Ca(OH)$_{2}$This is an example of A) Combination reaction. B) Decomposition reaction. C) Displacement reaction. D) None of the above. Show Answer Correct Answer: A) Combination reaction. 7. The following reaction is an example of a 4NH3(g) + 5O2(g) $\rightarrow$ 4NO(g) + 6H2O(g)(i) displacement reaction (ii) combination reaction (iii) redox reaction (iv) neutralisation reaction A) (i) and (iv). B) (ii) and (iii). C) (i) and (iii). D) (iii) and (iv). Show Answer Correct Answer: C) (i) and (iii). 8. A powdered salt X was heated in a dry test tube and evolution of brown fumes of nitrogen dioxide and a yellow residue of lead oxide is formed. The salt X is: A) Magnesium Carbonate. B) Lead nitrate. C) Ammonium Sulphate. D) Calcium carbonate. Show Answer Correct Answer: B) Lead nitrate. 9. Which of the following type of chemical reaction is only possible with Oxygen as a reactant? A) Synthesis. B) Combustion. C) Decomposition. D) Physical property. Show Answer Correct Answer: B) Combustion. 10. What happens when carbon dioxide is passed in lime water? A) Lime water turns milky because of formation of calcium carbonate. B) Lime water turns milky because of formation of water. C) Lime water turns red because of formation permanganate. D) Lime water turns red because of formation of copper sulphate. Show Answer Correct Answer: A) Lime water turns milky because of formation of calcium carbonate. 11. When a single compound breaks down to produce two or more simple substances it is called ..... A) Combination reaction. B) Decomposition reaction. C) Displacement reaction. D) Redox reaction. Show Answer Correct Answer: B) Decomposition reaction. 12. Suppose two substances were combined together in a beaker. You know that a chemical reaction occurred if: A) New substances were created. B) One substance dissolved in the other. C) One substance melted in the other. D) The two substances remained separate. Show Answer Correct Answer: A) New substances were created. 13. CuO+H2 ..... >Cu+ H2OFIND THE OXIDIZING AGENT A) CuO. B) H2. C) Cu. D) O. Show Answer Correct Answer: B) H2. 14. A substance produced during a chemical reaction A) Product. B) Reactant. C) Properties. D) None of the above. Show Answer Correct Answer: A) Product. 15. When crystals of lead nitrate are heated strongly in a dry test tube A) Crystals immediately melt. B) A brown residue is left. C) White fumes appear in the tube. D) A yellow residue is left. Show Answer Correct Answer: B) A brown residue is left. 16. The removal of oxygen from a substance is called A) Oxidation. B) Corrosion. C) Rancidity. D) Reduction. Show Answer Correct Answer: D) Reduction. 17. Select the correct balanced equation for the formation of Magnesium Nitride (Mg$_{3}$N$_{2}$) from its elements. A) Mg$_{3}$ + N$_{2}$ > Mg$_{3}$N$_{2}$. B) Mg + N$_{2}$ > Mg$_{3}$N$_{2}$. C) Mg + N > Mg$_{3}$N$_{2}$. D) 3Mg + N$_{2}$ > Mg$_{3}$N$_{2}$. Show Answer Correct Answer: D) 3Mg + N$_{2}$ > Mg$_{3}$N$_{2}$. 18. 1 one of the following does not happen during a chemical reaction. This is A) Breaking of old chemical bonds and formation of new chemical bonds. B) Formation of new substances with entirely different properties. C) Atoms of one element change into those of another element to form new products. D) Rearrangement of atoms takes place to form new products. Show Answer Correct Answer: C) Atoms of one element change into those of another element to form new products. 19. Which of the following is NOT true regarding a properly written chemical equation? A) It must be balanced. B) It must contain proper chemical formulas. C) It must show the formation of a precipitate or a gas. D) It should represent known data. Show Answer Correct Answer: C) It must show the formation of a precipitate or a gas. 20. Which of the following is NOT an example of a possible type of displacement reaction? A) Displacement of the metal in a compound by another metal. B) Displacement of the halogen in a compound by another halogen. C) Displacement of the hydrogen in water by a metal species. D) Displacement of the hydrogen in water by a halogen. Show Answer Correct Answer: D) Displacement of the hydrogen in water by a halogen. 21. Balance this equation ..... H$_{2}$ + Cl$_{2}$ ..... > HCl A) It is balanced. B) 3H$_{2}$ + Cl$_{2 > }$6H$_{2}$Cl. C) H$_{2}$ + Cl$_{2}$$_{ > }$2HCl. D) None of the above. Show Answer Correct Answer: C) H$_{2}$ + Cl$_{2}$$_{ > }$2HCl. 22. Which of the following is endothermic reaction? A) Dissolution of ammonium chloride in water. B) Dilution of sulphuric acid. C) Dissolution of sodium hydroxide in water. D) Reaction of zinc with HCl. Show Answer Correct Answer: A) Dissolution of ammonium chloride in water. 23. In a chemical equation, the formula of a substance in water solution is followed by the symbol A) (l). B) (s). C) (g). D) (aq). Show Answer Correct Answer: D) (aq). 24. What is the another name of quick lime? A) Calcium hydroxide. B) Calcium oxide. C) Carbon dioxide. D) Sodium oxide. Show Answer Correct Answer: B) Calcium oxide. 25. Name the gas which is responsible for the brown fumes during the decomposition of Lead Nitrate? A) Sulphur di-Oxide gas. B) Carbon di-Oxide gas. C) Nitrogen dioxide gas. D) Oxygen gas. Show Answer Correct Answer: C) Nitrogen dioxide gas. ← PreviousNext →Related QuizzesClass 10 Science Chapter 1 Chemical Reactions And Equations Quiz 1Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 2Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 3Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 4Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 5Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 6Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 7Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 8Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 9Class 10 Science Chapter 1 Chemical Reactions And Equations Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books