Today's Devotional

Test of Courage
Read Proverbs 21:30-31 to see how true success depends on God.

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Class7_Science_Acids, Bases and Salts_Indicators

Many substances that you encounter in your daily life have different properties. One major
difference between substances is whether they are acidic or basic. There are special substances
that are used to test whether something is acidic or basic. These substances are called
indicators.

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