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प्रश्न
How could the person change his eating habits to lessen chances of suffering from tooth decay?
उत्तर
A person can prevent tooth decay by consuming less sweet foods, such as ice creams and chocolates. Tooth decay can also be prevented by brushing with toothpastes (which is basic) regularly and by cleaning the mouth carefully after meals.
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संबंधित प्रश्न
What colour do the following indicators turn when added to a base or alkali (such as sodium hydroxide)?
litmus
Name the indicator which can give us an idea of how strong or weak an acid or base is.
Fill in the following blank with suitable words:
The more alkaline a solution, the............... the pH.
What do you think will be the pH of an antacid solution: less than 7 or more than 7?
Separate the following into substances having pH values above and below 7. How do these influence litmus paper?
(i) Lemon juice
(ii) Solution of washing soda
(iii) Toothpaste
(iv) Vinegar
(v) Stomach juices
Someone put some universal indicator paper into vinegar. The pH is 3. What does this tell you about the vinegar?
Explain why the pH in a person's mouth becomes lower after each meal.
Turmeric and litmus are _________ acid-base indicators.
Which of the following is not a natural indicator?
Neutral substances do not bring about any change in colour of indicators.
