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Answer 1

Ans 7 States under Canal irrigation. Canals are second most important source of irrigation in India after wells and tube wells. The Canals are irrigating those lands which have large plains, fertile soils and perennial rivers. The plains of North India are mostly canal irrigated.

Ans9 The following are indicators of chemical changes:

Change in Temperature.

Change in Color.

Noticeable Odor (after reaction has begun)

Formation of a Precipitate.

Formation of Bubbles.

ans 14 The Musical instruments of Rajasthan include:

Ravanahatha.

Kamaicha.

Sindhi Sarangi.

Morchang.

Dedh Satara.

NaagPhani.

Ghara.

Jantar.