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To protect tooth decay we are advised to...

To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is

A

Acidic

B

Neutral

C

Basic

D

Baking soda

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It is very commonly thought that the sciences and humanities are producing two cultures which are opposed to each other. Science is even accused of not being sympathetic to the well-being of society. All this is due to the debatable use made by some scientists of their discoveries. However, science has now become increasingly aware of its responsibility towards society. Consequently, many scientists are of the opinion that science should be defined in humanistic terms. According, I.I. Rabi defines science as follows : "Science is an adventure of the whole human race to learn to live in and perhaps to love the universe in which they are. To be a part of it is to understand it, to understand oneself, to begin to feel that there is a capacity within man far beyond that he felt he had, of an infinite extension of human possibilities - not just on the material side..." Rabi proposes that science be taught “with a certain historical understanding, with a certain philosophical understanding, with a social understanding and a human understanding". At the moment, we are dealing with physics and one might well ask if we can define physics also in humanistic terms. Gerald Halton provides us with a relevant definition of physics. According to him : "Physics is a sequence of related ideas whose pursuit provides one with the cumulative effect of an even higher vantage point and a more encompassing view of the working of nature. Physics is neither an isolated bloodless body of facts and theories with mere vocational usefulness, nor a glorious entertainment restricted to an elite of specalists. Rather students of physics may leave them unprepared for their own time. They can be neither participants nor even intelligent spectators in one of the great adventures”. It will be no exaggeration if we say that the fate of society is linked to physics as whatever is thought or discovered in physics immediately affects the society. Our intellegence lies in applying physics to solve the pressing problems that the society faces and not to annihilate it. According to I.I Rabi

To protect our environment we should use ____ instead of polythene bags.

(A) Anionic detergents are used in tooth pastes. (R) In anionic detergents, the anionic part of the molecule is involved in the cleansing action.

Do metals exist in nature in the same form as that we use in our daily life?

NCERT TELUGU-ACIDS AND BASES-Improve your learning
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  3. What happens when nitric acid is added to egg shell?

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  4. Turmeric stains on white clothes, when washed with soap, turn red. Why...

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  5. Ammonia is present in window cleaners. It turns red litmus blue. What ...

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  7. Red litmus paper is dipped in a solution. It remains red. What is the ...

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  8. What is the effect of basic substances on turmeric paper?

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  9. Can flowers and turmeric papers also be called as indicators. Why?

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  10. Correct the statement if it is wrong: Indicators show different colou...

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  11. Correct the statement if it is wrong: Sodium hydroxide blue litmus re...

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  12. Correct the statement if it is wrong: Tooth decay is caused by the pr...

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  13. Take vinegar, lemon juice, soapy water, baking soda in different vesse...

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  14. Visit a doctor. Find out the medicines she prescribes to treat acidity...

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  15. Prepare red cabbage juice by boiling a piece of red cabbage in water. ...

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  16. Collect different flowers and prepare their natural indicators with th...

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  17. Test the nature of lemon juice and milk sample with the help of natura...

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  18. How do you feel about nature? It is a big natural laboratory that cont...

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  19. To protect tooth decay we are advised to brush our teeth regularly. Th...

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  20. Which of the following is acidic in nature?

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