Question

What is the division of marks of physics chemistry and biology in science board exam 2019?please tell it's urgent.

Answer 1

the NCERT Textbook of Class 10 Science, 5 types of chemical reaction are given in chapter 1 with some examples. All the reactions are expected to be asked this year’s question paper. Some chemical reactions are also mentioned in the syllabus of practical exam. Those reactions are also important for the board exam.

Details of some very important chemical reactions:

• Action of water on quick lime

• Action of heat on ferrous sulphate crystals

• Iron nails kept in copper sulphate solution

• Reaction between sodium sulphate and barium chloride solutionS

Answer 2

Answer:

physics- 28

Biology- 27

chemistry- 25

Explanation:

Humanoid1264Ace

the NCERT Textbook of Class 10 Science, 5 types of chemical reaction are given in chapter 1 with some examples. All the reactions are expected to be asked this year’s question paper. Some chemical reactions are also mentioned in the syllabus of practical exam. Those reactions are also important for the board exam.

Details of some very important chemical reactions:

• Action of water on quick lime

• Action of heat on ferrous sulphate crystals

• Iron nails kept in copper sulphate solution

• Reaction between sodium sulphate and barium chloride solution.