This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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91. The correct option is 3). Both turmeric solution and litmus are commonly used as acid-base indicators. Turmeric turns reddish-brown in basic solutions and remains yellow in acidic or neutral solutions. Litmus paper turns red in acidic solutions and blue in basic solutions. 92. The correct option is 1). Normal rainwater is slightly acidic due to the dissolution of atmospheric carbon dioxide, which forms carbonic acid. Its pH is typically around 5.6. Rainwater with a pH value less than 5.6 is considered acid rain. Send me the next one 📸