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Answer the following questions:
1: Special type of substances used to test whether a substance is acidic/basic is known as (A) Indicators (B) Acids (C) Bases (D) Salt
2: Which of the following is a strong acid? (A) Acetic Acid (B) Nitric Acid (C) Lactic Acid (D) Citric Acid
3: The most commonly used natural indicator' Litmus is extracted from (A) Lichens (B) Turmeric (C) Beet Root (D) China Rose
4: Which of the following colours is given by phenolphthalein in a basic salt solution. (A) Yellow (B) Pink (C) Orange Red (D) Colourless"
1. Special type of substances used to test whether a substance is acidic/basic are known as- (A) Indicators.
2. (b) Nitric acid- is a strong acid
3. The most commonly used natural indicator' Litmus" is extracted from- (A) Lichens.
4. The colour is given by phenolphthalein in a basic salt solution- (B) Pink
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