Questions:
1. What are neutral substance? Give two examples.
2. Define neutralisation reaction. Represent it in the form of chemical reaction.
3. What happens when acids and bases are mixed?
4. what are the two different types of salts? Define them.
Answers
Answer:
1. The neutral substances that are the most well known are: water, table salt, sugar solution and cooking oil.
2. A neutralization can be defined as a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products. In a neutralization reaction, there is a combination of H+ ions and OH– ions which form water.
3. In many acid-base reactions, the resulting product is water along and a salt. If hydrochloric acid (HCL) and the base sodium hydroxide (NaOH) are combined, the product is H2O (water) and NaCl (sodium chloride, a table salt).
4. there there are many types of salt
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ANSWER
A neutralization reaction is when an acid and a base react to form water and salt and involves the combination of hydrogen ions and hydroxyl ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7.
Example – 1: When Sodium hydroxide is added to hydrochloric acid. Sodium chloride and water are formed.
NaOH+HCl⟶NaCl+H
2
O
Example - 2: Milk of magnesia, which is a base, is given as antacid in the case of indigestion, to neutralize the more acid produced in the stomach.
Mg(OH)
2
+2HCl⟶MgCl
2
+2H
2
O