Metals and Non-metals

Bihar Board Class 10 · Science · 37 past questions

1. Q1 2026

   The charge carriers in metal are

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2. Q2 2026

   In electrolysis, electrons are liberated at

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3. Q3 2026

   Which of the following metals can displace zinc from zinc sulphate solution ?

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4. Q4 2026

   Chemical formula of marble is

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5. Q5 2026

   Which of the following is slaked lime ?

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6. Q6 2026

   An alloy of lead and tin is

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7. Q7 2026

   An ore of mercury is

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8. Q8 2026

   Which of the following is the least reactive metal ?

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9. Q9 2025

   Which of the following is kept immersed in water ?

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10. Q10 2025

    The substances, present as impurities in on ore, are called

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11. Q11 2025

    Which of the following metals can be easily cut with a knife ?

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12. Q12 2025

    Which metal is mixed with gold to make an alloy ?

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13. Q13 2025

    Silicon is a/an

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14. Q14 2025

    The filament in an electric bulb is made of which of the following metals ?

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15. Q15 2024

    Which of the following metals is the most ductile?

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16. Q16 2024

    A metal reacts with oxygen to form a compound with high melting point. This compound is soluble in water.…

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17. Q17 2024

    Malachite is an ore of which metal ?

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18. Q18 2024

    The process of coating a layer of zinc on iron is called

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19. Q19 2024

    Which of the following metals is displaced from its salt solution by iron ?

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20. Q20 2024

    What is the chemical formula of quicklime?

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21. Q21 2024

    Which of the following substances is a conductor ?

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22. Q22 2024

    Which of the following is a good conductor of electricity ?

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23. Q23 2023

    The alloy consisting of 90% Cu and 10% Sn is named as

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24. Q24 2023

    What is Philosopher wool?

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25. Q25 2023

    Bauxite is an ore of which of the following metals?

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26. Q26 2023

    The correct order of reactivity of metals is

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27. Q27 2022

    Zinc blende is an ore of which of the following metals ?

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28. Q28 2022

    The hardest natural substance is

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29. Q29 2020

    Which of the following is a good conductor of electricity ?

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30. Q30 2020

    Which of the following is the heaviest metal ?

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31. Q31 2019

    Food cans are coated with tin, not with zinc because…

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32. Q32 2018

    An iron nail was dipped in solution kept in a test tube. After half an hour, it was observed that colour of…

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33. Q33 2017

    What is the chemical formula of chalk?

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34. Q34 2017

    The ore of mercury is –

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35. Q35 2016

    The compound formed by transfer of electrons is called

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36. Q36 2016

    Brass is an example of

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37. Q37 2015

    Which is ionic compound ?

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