PYQ Vault

Day 22: MH SSC Class 10 Science and Technology I

5 questions. Try each one first, then open its answer.

  1. Question 1

    Chemical Reactions and Equations. Asked once: Jul 2024 (same type asked 6 times)

    Q1(A)(ii)
    CuSO4(aq)+Zn(s)⟶ZnSO4(aq)+Cu(s)CuSO_{4(aq)} + Zn_{(s)} \longrightarrow ZnSO_{4(aq)} + Cu_{(s)}. This is ______ type of chemical reaction.

    Tap an option to check your answer.

  2. Question 2

    Metallurgy. Asked once: Mar 2024 (same type asked 6 times)

    Q1(A)(v)
    In ______ process a layer of molten tin is deposited on metals.

    Tap an option to check your answer.

  3. Question 3

    Carbon Compounds. Asked once: Mar 2026 (same type asked 5 times)

    Q2(A)(ii)
    Give scientific reason: The hydrogenation of vegetable oil in presence of nickel catalyst forms Vanaspati-ghee.

  4. Question 4

    Chemical Reactions and Equations. Asked once: Jul 2024 (same type asked 5 times)

    Q3(i)
    What information will you get from the given reaction? CaCO3(s)→ΔCaO(s)+CO2↑CaCO_{3(s)} \xrightarrow{\Delta} CaO_{(s)} + CO_2\uparrow

  5. Question 5

    Chemical Reactions and Equations. Asked once: Jul 2025 (same type asked 5 times)

    Q1(A)(ii)
    When the positive charge on an atom or an ion increases or the negative charge on them decreases it is called ____ .

    Tap an option to check your answer.