Atoms and Molecules Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 19]
Atoms and Molecules Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 18]
Matter In Our Surroundings Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 15]
Is Matter Around Us Pure Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 10]
Is Matter Around Us Pure Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 9]
Matter In Our Surroundings Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes! [WATU 8]
When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 6.00 g of carbon is burnt in 50.00 g of oxygen? Which law of chemical combination will govern your answer? What is the mass of: 0.2 mole of […]
In-Text Questions Solutions In-Text Questions Page 32 In a reaction, 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium ethanoate. Show that these observations are in agreement with the law of conservation of mass. sodium carbonate […]
NCERT In-Text Questions Solutions In-Text Questions Page 15 What is meant by a pure substance?Ans:- A pure substance consists of a single type of particles that cannot be separated into other kinds of matter by any physical process. List the points of differences between homogeneous and heterogeneous mixtures.Ans:- Differences between homogeneous and heterogeneous mixture: S. […]
NCERT In-Text Questions Solutions In-Text Questions Page 03 Which of the following are matter?Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume.Ans:- Chair, air, almonds, and cold-drink. Give reasons for the following observation:The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you […]