Class 10 Science Chapter 1 Chemical Reactions and Equations| MCQ Test Post author:KeyIndia Education Post published:June 9, 2022 Post category:CBSC Class 10 Science / TEST/QUIZ Post comments:0 Comments < 0% 1 votes, 5 avg 7 Created on June 08, 2022 By KeyIndia EducationCBSC/NCERT CLASS 10 SCIENCE CLASS 10 SCIENCE CHAPTER-1 MCQ TEST NameEmailPhone Number 1 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 1. Which of the following does show an oxidation reaction? A. Gain of oxygen B. None of the above C. Gain of hydrogen D. Loss of oxygen 2 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 2. One of the following processes does not involve a chemical reaction, that is: A. Digestion of food in your stomach B. Burning of candle wax when heated C. Ripening of banana D. Melting of candle wax when heated 3 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 3. The chemical formula of magnesium oxide is? A. Mg2O B. MgO C. Mg(OH)2 D. MgO2 4 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 4. From the following which one is the example of chemical reaction? A. Formation of curd B. Breakdown of food C. Grapes get fermented D. All of the above 5 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 5. A researcher adds barium hydroxide to hydrochloric acid to form a white-colored barium chloride. Which option gives the balanced chemical equation of the reaction? A. HCl + 2Ba(OH) → 2BaCl2 + 2HOH + O2 B. 2HCl + Ba(OH)2 → BaH2 + 2HCl + O2 C. HCl + Ba(OH)2 → BaCl2 + 2HOH D. 2HCl + Ba(OH)2 → BaCl2 + 2HOH 6 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 6. Which of the reactions is used in black and white photography? A. Decomposition Reaction B. Combination Reaction C. Displacement reaction D. Oxidation reaction 7 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 7. Give the ratio in which hydrogen and oxygen are present in water by volume. A. 1:8 B. 1:1 C. 1:2 D. 2:1 8 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 8. The chemical reaction between potassium chloride and silver nitrate is given by the chemical equation.AgNO3 + KCl → AgCl + KNO3What can be inferred from the chemical equation? A. silver nitrate and potassium undergo a displacement reaction to form silver chloride and potassium nitrate B. silver nitrate and potassium undergo double displacement reaction to form silver chloride and potassium nitrate C. silver nitrate and potassium undergo a decomposition reaction to form silver chloride and potassium nitrate D. silver nitrate and potassium undergo a combination reaction to form silver chloride and potassium nitrate 9 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 9. Sodium and chlorine are reacted and as a result, sodium chloride is formed which is also called table salt. What option gives the reactants and products of the reaction? A. reactants – sodium and chlorine; products – sodium chloride B. reactants – sodium; products – chlorine C. reactants – sodium and table salt; products – chlorine D. reactants – tables salt; products – sodium and chlorine 10 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 10. What happens when lead nitrate reacts with potassium iodide? A. They will not react B. Yellow ppt of lead iodide and potassium nitrate will be produced C. Evolution of gas will occur D. Large amount of hydrogen release 11 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 11. A student writes a chemical equation of the reaction between carbon monoxide and hydrogen.CO2 + 2H2 → CH3OHHow can the reaction be classified? A. The reaction is an example of a decomposition reaction as a compound dissociates into two compounds. B. The reaction is an example of a combination reaction as two compounds react to form a single compound. C. The reaction is an example of a combination reaction as a compound separates into two compounds. D. The reaction is an example of a decomposition reaction as two compounds react to form a single compound. 12 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 12. A student performs an experiment to form aluminium chloride from aluminium and chlorine. Which options give the chemical equation of the reaction? A. Al + (Cl)2 → Al(Cl)2 B. 2Al + 3(Cl)2 → 2Al(Cl)3 C. 3Al + 3(Cl)2 → 3Al(Cl)3 D. 2Al + (Cl)2 → 2AlCl 13 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 13. A student adds lead and silver to two different test tubes containing an equal amount of copper sulphate solution. The student observes that the color of the solution in the test tube with lead changes. What explains the change in the colour of the solution? A. A displacement reaction takes place as lead replaces copper from the solution. B. A combination reaction takes place as lead combines with sulphate in the solution. C. decomposition reaction takes place as copper dissociates from sulphate in the solution. D. A double displacement reaction takes place as copper dissociates from sulphate and lead combines with sulphate in the solution. 14 / 14 Category: Class 10 Science Chapter 1 Chemical Reactions and Equations MCQ 14. Which of the following reactions can also be termed as thermal decomposition reaction? A. Decomposition Reaction B. Displacement reaction C. Double displacement reaction D. Combination Reaction Your score isThe average score is 14% LinkedIn Facebook VKontakte 0% Restart quiz Send feedback > Class 10 Science Chapter 1 Chemical Reactions and Equations| MCQ Test Tags: CBSC class 10 science test, class 10 chapter 1 test, Class 10 mcq test, class 10 quiz Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window You Might Also Like CLASS 9: THE FUNDAMENTAL UNIT OF LIFE FILL IN THE BLANKS QUESTIONS November 20, 2021 MCQs Test/Quiz: Class 9: Chapter 6 : Lines and Angles (Maths) November 22, 2021 QUIZ/TEST CLASS 9TH SCIENCE CHAPTER 8 – MOTION MCQ December 4, 2021 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.