New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Some Basic Concepts of Chemistry question

2023 · 11 Apr · Shift 2 · Q22

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Some Basic Concepts of Chemistry
2023 · 11 Apr · Shift 2 · Q22

Some Basic Concepts of Chemistry question

2023 · 11 Apr · Shift 2 · Q22

JEE MainChemistrySome Basic Concepts of ChemistryNumerical+4 / −1

The volume of hydrogen liberated at STP by treating

2.4 \mathrm{~g}

of magnesium with excess of hydrochloric acid is

\underline{\hspace{2cm}}

\times ~10^{-2} \mathrm{~L}

Given : Molar volume of gas is

22.4 \mathrm{~L}

at STP. Molar mass of magnesium is

24 \mathrm{~g} \mathrm{~mol}^{-1}

Numerical answer

More from Some Basic Concepts of Chemistry

A solution is prepared by adding $2 g$ of " $X$ " to 1 mole of water. Mass percent of " $X$ " in the solution is :2023 · MCQ
A metal chloride contains $55.0%$ of chlorine by weight . $100 mL$ vapours of the metal chloride at STP weigh $0.57 g$ . The molecular formula of the metal chloride is (Given: Atomic mass of chlorine is $35.5 u$ …2023 · MCQ
An organic compound gives $0.220 g$ of $CO_{2}$ and $0.126 g$ of $H_{2} O$ on complete combustion. If the $%$ of carbon is 24 then the $%$ of hydrogen is $\times 1 0^{- 1}$ …2023 · Numerical
$20 mL$ of calcium hydroxide was consumed when it was reacted with $10 mL$ of unknown solution of $H_{2} SO_{4}$ . Also $20 mL$ standard solution of $0.5 M HCl$ containing…2023 · Numerical
$1 g$ of a carbonate $(M_{2} CO_{3})$ on treatment with excess $HCl$ produces $0.01 mol$ of $CO_{2}$ . The molar mass of $M_{2} CO_{3}$ is …2023 · Numerical
The volume (in $mL$ ) of $0.1 M AgNO_{3}$ required for complete precipitation of chloride ions present in $20 mL$ of $0.01 M$ solution of $[Cr (H_{2} O)_{5} Cl] Cl_{2}$ …2023 · Numerical
When $F e_{0.93} O$ is heated in presence of oxygen, it converts to $F e_{2} O_{3}$ . The number of correct statement/s from the following is A. The equivalent weight of $F e_{0.93} O$ is $\frac{Molecular weight}{0.79}$ …2023 · Numerical
5 g of NaOH was dissolved in deionized water to prepare a 450 mL stock solution. What volume (in mL) of this solution would be required to prepare 500 mL of 0.1 M solution? Given : Molar Mass of Na, O and H is…2023 · Numerical