Class 10 Exam  >  Class 10 Notes  >  Class 10 BBC Compacta Solutions  >  Homework Assignment: 20

Homework Assignment: 20 | Class 10 BBC Compacta Solutions PDF Download

(A) The underlined parts of the following dialogue /text may or may not have an error. Choose the option that best replaces the underlined parts(s). You may choose 'no error' if no change is required in the underlined part(s).

1.
Ans: (c) may, would 

2.
Ans: (a) no error, can

3.
Ans: (b) should, no error, will

4.
Ans: (d) no error, will, must, will


(B) Choose the option that completes the following dialogue/text correctly.
1.
Ans: (b) used to, won't

2.
Ans: (d) shall, will

3.
Ans: (c) would, can't

4.
Ans: (a) will, can


(C) 
1.
Ans: (c) We can see the lake from our hotel room.

(D)
1.
Ans: (b) The phone is ringing. It must be Helena.

The document Homework Assignment: 20 | Class 10 BBC Compacta Solutions is a part of the Class 10 Course Class 10 BBC Compacta Solutions.
All you need of Class 10 at this link: Class 10
68 docs

Top Courses for Class 10

FAQs on Homework Assignment: 20 - Class 10 BBC Compacta Solutions

1. What are the different types of chemical reactions?
Ans. The different types of chemical reactions include synthesis, decomposition, single displacement, double displacement, combustion, and redox reactions.
2. How can you balance a chemical equation?
Ans. To balance a chemical equation, you must adjust the coefficients of the reactants and products so that the number of atoms of each element is the same on both sides of the equation.
3. What is the Law of Conservation of Mass in chemistry?
Ans. The Law of Conservation of Mass states that mass cannot be created or destroyed in a chemical reaction; it can only be rearranged from reactants to products.
4. How do you classify chemical reactions based on energy changes?
Ans. Chemical reactions can be classified as exothermic (release heat energy) or endothermic (absorb heat energy) based on the direction of energy transfer during the reaction.
5. What is the difference between a reversible and irreversible chemical reaction?
Ans. In a reversible chemical reaction, the products can react to form the original reactants, while in an irreversible reaction, the products cannot convert back to the reactants under the same conditions.
Explore Courses for Class 10 exam

Top Courses for Class 10

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Important questions

,

video lectures

,

Free

,

Extra Questions

,

MCQs

,

pdf

,

Objective type Questions

,

mock tests for examination

,

Exam

,

Homework Assignment: 20 | Class 10 BBC Compacta Solutions

,

study material

,

practice quizzes

,

Viva Questions

,

Homework Assignment: 20 | Class 10 BBC Compacta Solutions

,

Previous Year Questions with Solutions

,

Summary

,

Sample Paper

,

shortcuts and tricks

,

Homework Assignment: 20 | Class 10 BBC Compacta Solutions

,

Semester Notes

,

past year papers

,

ppt

;