New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Some Basic Concepts of Chemistry question

2025 · 28 Jan · Shift 2 · Q19

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

PYQ Library
JEE Main
Chemistry
Some Basic Concepts of Chemistry
2025 · 28 Jan · Shift 2 · Q19

Some Basic Concepts of Chemistry question

2025 · 28 Jan · Shift 2 · Q19

JEE MainChemistrySome Basic Concepts of ChemistryMCQ+4 / −1

Concentrated nitric acid is labelled as

75 \%

by mass. The volume in mL of the solution which contains 30 g of nitric acid is

\underline{\hspace{2cm}}

. Given : Density of nitric acid solution is

1.25 \mathrm{~g} / \mathrm{mL}

.

A
32
B
40
C
55
D
45

More from Some Basic Concepts of Chemistry

Choose the correct statements. (A) Weight of a substance is the amount of matter present in it. (B) Mass is the force exerted by gravity on an object. (C) Volume is the amount of space occupied by a substance. (D) Temperatures below 0°C…2025 · MCQ
Consider the following reaction : $3 PbCl_{2} + 2 (NH_{4})_{3} PO_{4} \to Pb_{3} (PO_{4})_{2} + 6 NH_{4} Cl$ If $72 mmol$ of $PbCl_{2}$ is mixed with…2024 · Numerical
$10 mL$ of gaseous hydrocarbon on combustion gives $40 mL$ of $CO_{2} (g)$ and $50 mL$ of water vapour. Total number of carbon and hydrogen atoms in the hydrocarbon is…2024 · Numerical
The Molarity (M) of an aqueous solution containing $5.85 g$ of $NaCl$ in $500 mL$ water is : (Given : Molar Mass $Cl : 35.5 gmol^{- 1}$ and $Cl : 35.5 gmol^{- 1}$ )2024 · MCQ
$Xg$ of ethylamine is subjected to reaction with $NaNO_{2} / HCl$ followed by water; evolved dinitrogen gas which occupied $2.24 L$ volume at STP. X is $\times 1 0^{- 1} g$ …2024 · Numerical
From $6.55 g$ of aniline, the maximum amount of acetanilide that can be prepared will be $\times 1 0^{- 1} g$ .2024 · Numerical
An organic compound has $42.1%$ carbon, $6.4%$ hydrogen and remainder is oxygen. If its molecular weight is 342 , then its molecular formula is :2024 · MCQ
The number of moles of methane required to produce $11 g CO_{2} (g)$ after complete combustion is : (Given molar mass of methane in $g mol^{- 1} : 16$ )2024 · MCQ