PYQ Vault

Day 43: MH SSC Class 10 Science and Technology I

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

  1. Question 1

    Space Missions. Asked once: Mar 2022 (same type asked 6 times)

    Q1(B)(i)
    Find the odd one out: INSAT, GSAT, IRS, PSLV.
  2. Question 2

    Chemical Reactions and Equations. Asked once: Mar 2022 (same type asked 6 times)

    Identify the type of chemical reaction given below:
    Q3(iii)(c)
    2KClO3→2KCl+3O2↑\mathrm{2KClO_3 \rightarrow 2KCl + 3O_2 \uparrow}
  3. Question 3

    Metallurgy. Asked once: Mar 2020 (same type asked 6 times)

    Q4(ii)
    Observe the picture of rusting of iron (a water drop on an iron surface, with collected rust Fe2O3⋅H2O\mathrm{Fe_2O_3\cdot H_2O}, O2\mathrm{O_2}, Fe2+\mathrm{Fe^{2+}} ions, electrons flowing, an anode region and a cathode region) and answer: a. What is a rust? b. Write the chemical formula of rust. c. Write the reaction of oxidation of iron at the anode. d. Write the reaction (reduction) that occurs at the cathode. e. What is corrosion?
  4. Question 4

    Heat. Asked once: Mar 2018 (same type asked 5 times)

    Q1(A)(a)(i)
    Fill in the blank with a suitable word: 1 calorie = ______ joule.
  5. Question 5

    Metallurgy. Asked once: Mar 2019 (same type asked 5 times)

    Q2(6)
    Out of sodium and sulphur, which is a metal? Explain its reaction with oxygen.