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Model Question Class X (Computer Science)

                  Group 'A' 1. Answer the following questions: (a) List any two search

Model Question Class: IX (Computer Science)

                  Group 'A' 1. Answer the following questions: (a) List any two characteristics

TO PREPARE HYDROGEN SULPHIDE GAS IN THE LABORATORY AND STUDY ITS PROPERTIES

APPARATUS REQUIRED: i) Woulf's bottle ii) Thistle funnel iii) Delivery tube iv)

7. TO STUDY SOME REDOX REACTIONS WITH MINIMUM FIVE EXAMPLES:

Apparatus Required i) Test tube ii) Test tube holder Chemical reactions i)

6. TO PREPARE AMMONIA GAS IN LABORATORY AND TO STUDY ITS PROPERTIES

APPARATUS REQUIRED: i) Round bottom flask ii) Gas Jar iii) Test tube

5. TO PREPARE HYDROGEN GAS IN LABORATORY AND STUDY ITS PROPERTIES

APPARATUS REQUIRED i) Woolf is bottle ii) Thistle funnel iii) Delivery tube