(Download) CBSE: Class X Science Question Paper - 2009 - (Foreign Region)

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CBSE: Class 10th Science Exam Paper 2009 (Foreign Region)

Subject: Science

Q.1. What change in colour in observed when white silver chloride is left exposed to sunlight? What type of chemical reaction is this?

Q. 2. Which gas is generally liberated when a dilute solution of hydrochloric acid react with an active metal?