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Science

Acids, Bases, and Salts

In Class 10 Science, under the chapter Chemical Substances – Nature and Behaviour, students study acids, bases, and salts through their properties, reactions, and everyday examples. The topic explains how these substances behave with indicators and with one another, including neutralisation, and introduces the formation and practical importance of common salts.

Expert · Level 1 · 6 questions

TOPIC PRACTICE

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6 questions

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  1. Hydrogen ions are not formed without water
  2. It has no chlorine
  3. Litmus changes only with bases
  4. Hydrogen chloride gas is basic
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  1. Calcium carbonate forms first and then calcium hydrogen carbonate forms
  2. Calcium chloride forms first and then calcium oxide forms
  3. Sodium oxide forms first and then sodium hydroxide forms
  4. Water forms first and then oxygen forms
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  1. Acidic ions are not formed in the absence of water
  2. Hydrogen chloride becomes a base
  3. Blue indicator paper identifies only bases
  4. Gas has no particles
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  1. Moisture helps the gas form ions
  2. Moisture changes the gas into a metal
  3. Moist paper is always red
  4. Water makes all gases basic
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  1. Acidic
  2. Basic
  3. Neutral
  4. Only salty
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  1. Weak acid and strong base
  2. Strong acid and weak base
  3. Strong acid and strong base
  4. Weak acid and weak base

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