Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Karnataka Board-2019
Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Karnataka Board-2019
Attempt the practice questions on Chapter 1: Chemical Reactions and Equations, Exercise 1: Karnataka Board-2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Karnataka Board-2019 with Hints & Solutions
Copper loses its brown layer gradually when exposed to air. Give reason.
Manufacture of chips, flush the packets of chips with nitrogen gas. Why?
Draw the diagram of the arrangement of apparatus showing the reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning and labelling the zinc granules.
Strips of zinc, iron, magnesium and copper are taken in the test tubes A, B, C and D respectively. The same quantity of ferrous sulphate solution is added to these test tubes. In which test tubes chemical reaction will occur? Why? Write the chemical equations for the reactions taking place here.
Write the balanced chemical equations for the chemical reaction; lead nitrate is heated. How can we confirm by the observation that these chemical reaction is taking place?
Write the balanced chemical equations for the chemical reaction; sodium sulphate reacts with barium chloride. How can we confirm by the observation that these chemical reaction is taking place?
State Boyle's law. Write the mathematical form of Boyle's law. Give an example of this law.
The chemical equation that represents neutralisation reaction among the following is
