Chemical Reactions And Equations | Complete NCERT WITH BACK EXERCISE in 1 Video | Class 10th Board
PW Class 10 - UDAAN
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Chemical Reactions And Equations | Complete NCERT WITH BACK EXERCISE in 1 Video | Class 10th Board
582 871 просмотр · 2 года назад
PW Class 10 - UDAAN
1,33 млн подписчиков
582 871 просмотр · 2 года назад
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✨ Topics covered ✨
00:00 - Introduction
02:31 - Topics to be covered
02:50 - Why should a magnesium ribbon be cleaned before burning in air?
05:01 - Write the balanced equation for chemical reactions
16:40 - Write a balanced chemical equation with state symbols for the reactions
22:13 - A solution of a substance 'X' is used for whitewashing. Name the substance 'X' and write its formula. Write the reaction of the substance 'X' named in (i) above with water.
24:09 - Why is the amount of gas collected in one of the test tubes double of the amount collected in the other in electrolysis of water experiment? Name this gas.
26:42 - Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
30:41 - Give an example of a double displacement reaction other than the one between barium chloride and sodium sulphate solutions.
32:03 - Identify the substances oxidised and the substances reduced in the reactions
35:18 - Which of the statement about the reaction are incorrect?
37:28 - MCQ - The above reaction is an example of
38:35 - What happens when dilute hydrochloric acid is added to iron filings? Choose the correct answer
39:22 - What is a balanced chemical equation? Why should the chemical equations be balanced?
48:13 - Translate the statements into chemical equations and then balance them.
50:19 - Balance the chemical equations
58:17 - Write the balanced chemical equations for the reactions.
01:05:40 - Write the balanced chemical equation and identify the type of reaction in each case.
01:11:15 - What does one mean by exothermic and endothermic reactions? Give examples.
01:12:46 - Why is respiration considered as an exothermic reaction? Explain.
01:13:40 - Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions.
01:16:15 - What is the difference between displacement and double displacement reactions? Write equations for these reactions.
01:18:07 - In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
01:19:48 - What do you mean by precipitation reactions? Explain giving examples.
01:21:09 - Explain the following in terms of gain or loss of oxygen with two examples each: Oxidation and Reduction
01:22:50 - A shiny brown coloured element 'X' on heating in air becomes black in colour.
Name the element 'X' and the black coloured compound formed.
01:23:41 - Why do we apply paint on iron articles?
01:25:33 - Oil and fat containing food items are flushed with nitrogen. Why?
01:27:39 - Explain the following terms with one example each Corrosion and Rancidity
01:29:44 - Quote of the day
01:32:11 - Thank You Bachhon
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