Class 10 Exam > Class 10 Videos > Crash Course: Class 10 > Experiment No. 2 (Types of Chemical Reactions)
Experiment No. 2 (Types of Chemical Reactions) Video Lecture | Crash Course: Class 10
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FAQs on Experiment No. 2 (Types of Chemical Reactions) Video Lecture - Crash Course: Class 10
| 1. What are the different types of chemical reactions? |  |
Ans. The different types of chemical reactions are:
1. Combination reaction
2. Decomposition reaction
3. Displacement reaction
4. Double displacement reaction
5. Redox reaction
| 2. What is a combination reaction? | |
Ans. A combination reaction is a chemical reaction where two or more substances combine to form a single product. For example, the reaction between iron and sulfur to form iron sulfide is a combination reaction. The general form of a combination reaction is A + B → AB.
| 3. What is a redox reaction? | |
Ans. A redox reaction is a chemical reaction in which there is a transfer of electrons between two chemical species. The term "redox" is derived from the two processes involved: reduction and oxidation. In a redox reaction, one molecule loses electrons (oxidation) and another molecule gains those electrons (reduction). For example, the reaction between copper and silver nitrate is a redox reaction as copper loses electrons and silver gains electrons.
| 4. What is a displacement reaction? | |
Ans. A displacement reaction is a chemical reaction where one element or ion in a compound is replaced by another element or ion. For example, the reaction between zinc and hydrochloric acid to produce zinc chloride and hydrogen gas is a displacement reaction. The general form of a displacement reaction is A + BC → AC + B.
| 5. What is a double displacement reaction? | |
Ans. A double displacement reaction is a chemical reaction where the cations and anions of two different compounds switch places, resulting in the formation of two new compounds. For example, the reaction between sodium chloride and silver nitrate to produce sodium nitrate and silver chloride is a double displacement reaction. The general form of a double displacement reaction is AB + CD → AD + CB.
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Nov 19, 2024 Last updated |
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