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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Complete the Statement Given Below by Filling in the Blanks with the Correct Words. Atoms Contain ________ with Positively Charged ________. - Chemistry

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प्रश्न

Complete the statement given below by filling in the blanks with the correct words.

Atoms contain ________ with positively charged ________.

रिकाम्या जागा भरा
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उत्तर

Atoms contains nucleus with positively charged protons.

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पाठ 5: Language of Chemistry - Objective type questions

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विराफ जे. दलाल New Simplified Middle School Chemistry [English] Class 8
पाठ 5 Language of Chemistry
Objective type questions | Q 1.3

संबंधित प्रश्‍न

In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass.

Sodium carbonate + acetic acid → sodium acetate + carbon dioxide + water


Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas?


Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?


 State the law of conversation of mass.


When magnesium is burnt in air, there is an increase in mass after the reaction.


What is mass ?


Give reason for the following.

Electricity is not considered matter.


 Fill in the blank:

Matter is anything that has............. and occupies .............


State the law of conservation of mass.


Name the law of chemical combination which was given by Lavoisier.


Name the law of chemical combination which was given by Proust.


‘If 100 grams of calcium carbonate (whether in the form of marble or chalk) are decomposed completely, then 56 grams of calcium oxide and 44 grams of carbon dioxide are obtained’. Which law of chemical combination is illustrated by this statement ?


State the law of conservation of mass. Give one example to illustrate this law.


Which postulate of Dalton's atomic theory can explain the law of conservation of mass ?


Potassium chlorate decomposes, on heating, to form potassium chloride and oxygen. When 24.5 g of potassium chlorate is decomposed completely, then 14.9 g of potassium chloride is formed. Calculate the mass of oxygen formed. Which law of chemical combination have you used in solving this problem ?


Complete the statement by filling the blank with the correct word given below.

The law of conservation of mass is strictly valid if mass and _________ are considered together.


Name the four laws of chemical combinations.


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