मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

Burning of paper is a ______ change.

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प्रश्न

Burning of paper is a ______ change.

पर्याय

  • physical

  • chemical

  • physical and chemical

  • neutral

MCQ
रिकाम्या जागा भरा
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उत्तर

Burning of paper is a chemical change.

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पाठ 10: Changes around us - Exercises [पृष्ठ १११]

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सामाचीर कलवी Science [English] Class 8 TN Board
पाठ 10 Changes around us
Exercises | Q I. 1. | पृष्ठ १११

संबंधित प्रश्‍न

What do you observe when :

an iron nail is kept in tap water for few days


State what you would observe when the following substance is heated in a glass test tube Copper (II) carbonate Red lead .


Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.

(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)

A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.


What do you observe? When

Sodium chloride solution is added to silver nitrate solution.


What do you observe when CO2 is passed through lime water first and then a little in excess.


Distinguish by dilute sulphuric acid.

Copper and magnesium?


Photosynthesis is a chemical reaction that takes place in the presence of ______.


A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?


On heating calcium carbonate gets converted into calcium oxide and carbon dioxide.

(a) Is this a physical or a chemical change?

(b) Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved.


The simplest method of preventing rusting of iron is to coat it with oil, grease, or paint. The reason being ______.


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