01 Limestone, chalk and marble are different forms of-

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02 Common salt (NaCl) is made up of:

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03 A solution has a pH of 12. Which ion concentration is higher…

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04 The colour of phenolphthalein in acidic solution is-

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05 According to the Brønsted-Lowry theory, which of the following defines an acid?

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06 Which of the following statements is true about the pH of a…

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07 The chemical name for ‘Plaster of Paris’ is:

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08 In universal indicators, red colour shows a pH of-

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09 The human body works within the pH range of:

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10 Which ion is responsible for the acidic properties of acids?

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