Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Gujarat Board-2018

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Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Gujarat Board-2018

Attempt the practice questions on Chapter 1: Chemical Reactions and Equations, Exercise 1: Gujarat Board-2018 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: Gujarat Board-2018 with Hints & Solutions

MEDIUM
10th Gujarat Board
IMPORTANT

Write the chemical equation for industrial production of dihydrogen gas and write its two uses.

MEDIUM
10th Gujarat Board
IMPORTANT

A solution of a substance "X" is used for whitewashing.

(a) Name the substance "X"

(b) Write the formula of substance "X"

(c) Write the reaction of substance "X" with water

HARD
10th Gujarat Board
IMPORTANT

Describe the reaction of zinc granules with dilute sulphuric acid with a diagram. Also, write the equation of zinc with sodium hydroxide.

MEDIUM
10th Gujarat Board
IMPORTANT

Which gas is used as preservative in fruit juice and jams?

EASY
10th Gujarat Board
IMPORTANT

Which gas is used as preservatives in the juice of fruits, in jam, and drying of fruits?

MEDIUM
10th Gujarat Board
IMPORTANT

ZnO+C  Zn + CO

In the above equation, reduction takes place in _____ substance.

MEDIUM
10th Gujarat Board
IMPORTANT

Give reason: "Aluminium with nitric acid does not produce hydrogen gas".