PDF chapter test TRY NOW
I) James was asked to write any four substances which contain bases in an exam. He got 3 out of 4. Which of the following do you think is wrong?
II) Priya mistakenly put a white cloth bag in the washing machine. Inside her pocket, she kept some China roses. After drying, she took them outside and got shocked! The white cloth has some green spots. She got confused. Get her out of confusion. Which of the following is responsible for the green colour?
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