EASY
JEE Main
IMPORTANT
Earn 100

Which one of the following statements is incorrect ?

50% studentsanswered this correctly

Important Questions on Hydrogen

EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 31 August 2021 Shift 1>Q 25
Given below are two statements :
Statement I : The process of producing syn-gas is called gasification of coal.
Statement II : The composition of syn-gas is CO+CO2+H2(1:1:1).
In the light of the above statements, choose the most appropriate answer from the options given below :
MEDIUM
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 3 September 2020 Shift 2>Q 26
The strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL ) in terms of mass percentage and molarityM  respectively, are: (Take molar mass of hydrogen peroxide as 34 g/mol)
EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 3 September 2020 Shift 1>Q 27
The volume strength of 8.9 M H2O2 solution calculated at 273 K and 1 atm is ........R=0.0821L atm K−1 mol−1 (rounded off to the nearest integer)
EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 2nd April 2017>Q 28
The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all  1H atoms are replaced by  2H atoms is:
EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 27 July 2021 Shift 2>Q 29
The number of neutrons and electrons, respectively, present in the radioactive isotope of hydrogen is :-
EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 27 August 2021 Shift 2>Q 30
The oxide that gives H2O2 most readily on treatment with H2O is :
MEDIUM
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 27 August 2021 Shift 1>Q 31
Deuterium resembles hydrogen in properties but:
EASY
JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 26 Feb 2021 Shift 2>Q 32
Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?