Subject :NSO Class : Class 7
The ash which is collected after burning of magnesium ribbon is dissolved in water to give a solution X. What is the nature of the solution X when it is tested with indicators?
A It turns blue litmus red and phenolphthalein pink, hence it is an acidic solution.
B It turns red litmus blue and phenolphthalein pink, hence it is a basic solution.
C It turns blue litmus red and gives no colour with phenolphthalein, hence it is an acidic solution.
D It does not change colour of red or blue litmus and phenolphthalein, hence it is a neutral solution.
Ans 1:
Class : Class 6
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Ans 2:
Class : Class 6