SSLC Chemistry Mid-term Exam - Model question Paper

SSLC Chemistry Mid-term Exam - Model question Paper
SET 1
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Model Questions

1) The atomic number of an element is 19
    a) Write the subshell electronic configuration of that element (1)
    b) Identify its group and period (1)

2) Analyze the situation below and write down related gaseous law (3)
    a) If an inflated balloon is kept in sunlight, it will burst after some time
    b) As the balloon is being inflated, its volume increases
    c) The size of air bubble raising from the bottom of a water body gradually increases

3) Which subshell is common for every shell (1)

4) Consider the materials and solutions given below
    [Zn, Mg, Cu, Ag, CuSO4, MgSO4]
    a) Which of the metals are to be selected to construct a galvanic cell? (1)
    b) Identify anode and cathode of that cell (1)
    c) Write the Oxidation and Reduction reaction taking place in this cell (2)

5) Atomic mass of some elements are given
   [Mg-24, O-16]
    a) How many atoms are there in 120g Mg? (1)
    b) Find the mass of 4N_A Oxygen atoms (1)

6) Last subshell of an element is 3p and there are 3 electrons in it
    a) Write the complete electronic configuration (1)
    b) Identify its group and block (1)

7) The data of an experiment conducted on a fixed mass of gas at constant pressure are given

Volume in L	Temperature in K
600	300
800	(a)
(b)	450

    a) Find the values of (a) and (b) (1)
    b) Which gas law is illustrated here? (1)

8) The electrons are occupied in sub shells of a shell
    a) What is the maximum number of electrons that can be accommodated in d-sub shell? (1)
    b) Write the possible subshells in 3rd shell in the increasing of energy (1)
    c) Which of the following is the outermost electronic configuration of copper (Atomic no-29), Justify your answer (2)
        A- 3d⁹ 4s²
        B- 3d¹⁰ 4s¹

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