Introduction to Acids and Bases

IMPORTANT

Introduction to Acids and Bases: Overview

This topic covers concepts, such as, Chemical Substances, Acidic Substances, Acids, Basic Substances, Bases, Sources of Common Acids & Sources of Common Bases etc.

Important Questions on Introduction to Acids and Bases

HARD
IMPORTANT

The table gives the yearly price of ammonium nitrate and the amount of ammonium nitrate that was used to fertilize crops in the USA from 2000 until 2014.

Year Price $/Kg Amount used (Millions of Kg)
2000 0.21 1,541
2002 0.21 1,424
2004 0.29 1,386
2006 0.40 874
2008 0.56 789
2010 0.44 653
2012 0.63 766
2014 0.62 774

Plot a graph with the yearly price of ammonium nitrate on the y-axis, and the years on the x-axis. Plot a second graph, with the amount of ammonium nitrate used on the y-axis, and the year on the x-axis.

EASY
IMPORTANT

Which of the following substance contains a base?

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The nature of the magnesium oxide solution is _____.

EASY
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Identify the natural source of acetic acid.

EASY
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Sodium hydroxide is found in

EASY
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Why does the turmeric stain on a white shirt turn red when it is washed with a soap?

EASY
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All bases are alkalis.

EASY
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Acids are corrosive in nature.

EASY
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Bases are soapy to touch when they are dry.

EASY
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Acids are bitter in taste.

EASY
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Most of the acids are not soluble in water.

MEDIUM
IMPORTANT

Harmful gases mix with water vapour to form _____.

EASY
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Which of these is not a base?

EASY
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Write three properties of bases.

EASY
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Bases turn red litmus to _____.

MEDIUM
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Which of the following is Nitric acid? 

EASY
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Sulphuric acid is a hydrating acid.

MEDIUM
IMPORTANT

_____ acid is used for making glucose from starch.

HARD
IMPORTANT

Match the columns

  Column A   Column B
1 Aqua regia (a) Photosynthesis
2 Autotrophic (b) Methyl orange
3 Villi (c) Hydrochloric acid
4 Indicator (d) Absorption
5 Chlorophyll (e) Nutrition

 

EASY
IMPORTANT

The solution that dissolves metals such as gold