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PU GS Practice General Science Chemical Reactions MCQs Test 1

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PU GS Practice General Science Chemical Reactions MCQs Test 1

Practice PU GS 2026 General Science MCQs from Chemical Reactions. Get instant results with Explanation.

General10 MCQs

1. What is a physical change?

A. Does not alter chemical compositionB. Alters chemical compositionC. Forms new substancesD. Involves chemical reaction

2. What is a chemical change?

A. No change occursB. Only physical properties changeC. New substances are formedD. Only color changes

3. What is the pH of an acid?

A. Greater than 7B. Less than 7C. Equal to 7D. Greater than 14

4. What is the pH of a base?

A. Less than 7B. Equal to 7C. Less than 0D. Greater than 7

5. What is the range of the pH scale?

A. 0 to 14B. 1 to 10C. 0 to 20D. 1 to 15

General10 MCQs

6. What is the pH of a neutral solution?

A. 1B. 14C. 7D. 0

7. What is reduction?

A. Loss of electronsB. Loss of protonsC. Gain of protonsD. Gain of electrons

8. What is a catalyst?

A. Speeds up reaction without being consumedB. Slows down reactionC. Is consumed in the reactionD. Changes the products

9. What reaction occurs when an acid reacts with a base?

A. Oxidation reactionB. Reduction reactionC. Neutralization reactionD. Decomposition reaction

10. What are the products of a neutralization reaction?

A. Water onlyB. Salt and waterC. Acid onlyD. Base only

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