SAMPLE PAPER NO. 1 TIME : 2 HRS. 40 MARKS

SAMPLE PAPER NO. 1 TIME : 2 HRS. 40 MARKS
Question 1. (A) Solve the following questions. (Marks 5) 
  1. Write proper answer in the square.
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  1. Write the electronic configuration of 13Al: .............
  2. While a substance is transforming from a liquid state to the solid state, the latent heat in the substance ...........
  3. Arrange the following metals in the increasing order of their activity. Copper, Silver, Aluminium, Iron pastedGraphic_1.pdf