View PDF CBSE Class 9 Chemistry Question Paper SA1 2011 (1)

CBSE Class 9 Chemistry Question Paper SA1 2011 (1). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations. 1.What is dry ice ? What happens when the pressure under which it is stored is decreased to 1 atmosphere ? 2.Why is glass or chinaware packed with straw ? 3.Name the processes by which CO2 and H2O move into and out of the cell ? 4.List in tabular form any two differences between homogeneous and heterogeneous mixtures. 5.(a)

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