Using Word Equations

IMPORTANT

Using Word Equations: Overview

This topic covers concepts, such as, Characteristics of Chemical Reactions, Change in State during a Chemical Reaction, Reaction of Sodium Chloride with Silver Nitrate & Removing Mercury from Drinking Water etc.

Important Questions on Using Word Equations

EASY
IMPORTANT

Write the methods of removing mercury in drinking water.

EASY
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Write the harmful effects of mercury in drinking water.

EASY
IMPORTANT

In the naming of ionic compounds, the name of anion is wirtten with _____ suffix.

EASY
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Write the rules for the naming of ionic compounds.

MEDIUM
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Give the names of common ions.

EASY
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When sodium hydroxide reacts with hydrochloric acid, sodium chloride and water are produced. Which term best describes the water in this reaction?

MEDIUM
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How can you show that during a chemical reaction:

Change in smell takes place?

MEDIUM
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How can you show that during a chemical reaction:

Gas is evolved?

MEDIUM
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Define the following term.

Evolution of gas

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 Evolution of gas is one of the characteristics of chemical equations.

MEDIUM
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Write the names of the compounds represented by the given formulae.

BaSO4

MEDIUM
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Write the name of the compound represented by the given formula.

PbO

MEDIUM
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Write the name of the compound represented by the given formulae.

Cu2S

MEDIUM
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Write the names of the compounds represented by the given formulae.

CaCO3

MEDIUM
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Write the name of the compound represented by the given formula.

Al(NO3)3

MEDIUM
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The formula of calcium hydrogen carbonate is _____.

MEDIUM
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Which of these is stored in kerosene?
Mg, Na, C.

MEDIUM
IMPORTANT

React like sodium in water against evils in the society and be like gold in water towards bad habits. Explain.

MEDIUM
IMPORTANT

Write a word equation for the chemical reaction involved when sodium reacts with water.

EASY
IMPORTANT

Write the correct answer in the form of A, B, C, D or E for the statement given below:

Select a gas from the following which reacts with oxygen to give a neutral liquid.

[A: Hydrogen    B: Copper [II] oxide    C: Oxygen     D: Copper [II] hydroxide    E: Ammonia]