Metals and Non-metals

CBSE Class 10 · Science · 22 past questions

14 of 22 · show all

1. Q1 2026

   Which of the following is a poor conductor of electricity ?

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2. Q2 2026

   When an element ‘X’ reacts with water, it starts floating. Identify the element ‘X’…

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3. Q3 2026

   The reaction of calcium with cold water is…

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4. Q6 Sample paper 2026-27

   Electrical wires made of aluminum

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5. Q7 2025

   Aluminium powder is used in thermit welding because…

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6. Q8 2025

   Two metals zinc and tin are dissolved separately in definite proportions in molten copper (the primary metal)…

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7. Q11 2025

   The most common method of extraction of metals from their oxide ores is…

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8. Q15 2024

   A metal and a non-metal that exists in liquid state at the room temperature are respectively…

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9. Q16 2024

   Oxides of aluminium and zinc are…

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10. Q17 2023

    A metal 'X' is used in thermite process. When X is burnt in air it gives an amphoteric oxide 'Y'. 'X' and 'Y'…

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11. Q19 2023

    When zinc reacts with sodium hydroxide, the product formed is…

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12. Q20 2023

    Among the following, the metal with lowest density is…

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13. Q21 2023

    The number of electrons in the outermost shell of the atom of a non-metal can be…

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14. Q22 2023

    For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…

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