CBSE 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day

CBSE 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day: As per the official CBSE Class 10 timetable 2025, the CBSE Class 10 Science 2025 examination will be held on February 20, 2025. The CBSE Class 10 Science Question Paper 2025 will have a weightage of 80 marks. Students can expect around 7 marks from the Metals and Non-Metals chapter. Also, a question might appear from the chapter in the 3-marks section. Students can access the CBSE 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day available here.

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CBSE 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day

The CBSE class 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day are listed below.

1. Arrange the following metals in decreasing order of their reactivity:

   a) Cu, Ca, Mg, Na, Zn
   b) You are provided with three metals: sodium, magnesium, and copper. Using only water as the reactant, how will you identify each of them?
   c) Which metal listed in (a) is most likely to occur in the native state?

2. Which method of concentration of ore is preferred in the following cases and why?
   a) The ore has higher-density particles mixed with a large bulk of low-density impurities.
   b) The ore consists of copper sulphide intermixed with clay particles.
   c) Give an example of amalgam.

3. a) Why is ZnO called an amphoteric oxide? Name another amphoteric oxide.
   b) What are alkalis? Give one example of an alkali.

4. You are given a hammer, a battery, a bulb, wires, and a switch.
   a) How could you use them to distinguish between samples of metals and non-metals?
   b) Assess the usefulness of these tests to distinguish between metals and non-metals.

5. Name an alloy of
   (i). Aluminium is used in the construction of aircraft.
   (ii). Lead is used in joining metals for electric work.
   (iii). Copper is used in household vessels.

6. Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it. What will be the action of gas in –
   (1) Dry litmus paper?
   (2) Moist litmus paper?
   Write a balanced chemical equation for the reaction taking place.

The above available CBSE 10th Metals and Non-Metals 3 Marks Question 2025 for Exam Day questions have been taken from the previous year's question papers. Students must thoroughly practice these questions to ace the CBSE Class 10 Examinations 2025.

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