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Class 10 Science Chapter Chemical Reactions and Equations - Part 4

NCERT & CBSE Based, Class 10 Science Chapter Chemical Reactions and Equations, how to balance chemical equations. types of reactions, like a campfire burning or iron rusting. Most important MCQs for p...

Class 10th
30 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Which process is responsible for spoilage of oils?
Q3 • MCQ • 1 marks
During rusting, iron combines with:
Q4 • MCQ • 1 marks
Which of these is NOT a sign of a chemical reaction?
Q5 • MCQ • 1 marks
Which type of reaction is AgNO₃ + NaCl → AgCl + NaNO₃?
Q6 • MCQ • 1 marks
The best way to score well in this chapter is to practice:
Q7 • MCQ • 1 marks
The reaction 2AgCl → 2Ag + Cl₂ takes place in the presence of:
Q8 • MCQ • 1 marks
The decomposition of AgBr is an example of:
Q9 • MCQ • 1 marks
Which reaction is used in making lime from limestone?
Q10 • MCQ • 1 marks
Which of the following is a chemical property?
Q11 • MCQ • 1 marks
The product formed when hydrogen burns in oxygen is:
Q12 • MCQ • 1 marks
Which of the following is a physical change?
Q13 • MCQ • 1 marks
Which reaction produces heat and light?
Q14 • MCQ • 1 marks
Which reaction is represented by A + BC → AC + B?
Q15 • MCQ • 1 marks
Which reaction is represented by AB + CD → AD + CB?
Q16 • MCQ • 1 marks
Which is an example of corrosion?
Q17 • MCQ • 1 marks
Which gas is required for rusting?
Q18 • MCQ • 1 marks
Moisture is essential for:
Q19 • MCQ • 1 marks
Which metal does not react easily with oxygen?
Q20 • MCQ • 1 marks
The process of coating iron with zinc is called:
Q21 • MCQ • 1 marks
Which is NOT a combination reaction?
Q22 • MCQ • 1 marks
Which of the following is a decomposition reaction?
Q23 • MCQ • 1 marks
The chemical formula of rust is:
Q24 • MCQ • 1 marks
Which is responsible for the bad smell of stale food?
Q25 • MCQ • 1 marks
Which gas is generally used to pack food items?
Q26 • MCQ • 1 marks
Oxidation involves:
Q27 • MCQ • 1 marks
Reduction involves:
Q28 • MCQ • 1 marks
Which reaction is both oxidation and reduction?
Q29 • MCQ • 1 marks
The white powder formed after burning magnesium is:
Q30 • MCQ • 1 marks
Which process releases carbon dioxide?
Q31 • MCQ • 1 marks
Which of these reactions is exothermic?

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