Some Basic Concepts of Chemistry PYQs - Last 5 Years
TS EAMCET / Chemistry / Physical Chemistry / 16 recent questions
ChemistryPhysical Chemistry2021-2025
Practice 16 TS EAMCET Chemistry questions from Some Basic Concepts of Chemistry. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 5 Years Some Basic Concepts of Chemistry Questions
Showing 16 of 16 filtered questions.
1Some Basic Concepts Of Chemistry
A solid mixture weighing 5 g contains equal number of moles of $\mathrm{Na}_2 \mathrm{CO}_3$ and NaHCO . This solid mixture was dissolved in 1 L of water. What is the volume (in mL ) of 0.1 M HCl required to completely react with this 1 L m...
MCQ+1 / -02025
2Some Basic Concepts Of Chemistry
4.0 g of a mixture containing $\mathrm{Na}_2 \mathrm{CO}_3$ and $\mathrm{NaHCO}_3$ is heated to 673 K . Loss in mass of the mixture is found to be 0.62 g . The percentage of sodium carbonate in the mixture is
MCQ+1 / -02025
3Some Basic Concepts Of Chemistry
12 g of an element reacts with 32 g of oxygen. What is the equivalent weight of the element ?
MCQ+1 / -02024
4Some Basic Concepts Of Chemistry
The incorrect rule regarding the determination of significant figures is
MCQ+1 / -02024
5Some Basic Concepts Of Chemistry
0.43 g of a metal of valence 2 was dissolved in 50 mL of $0.5 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}$ solution. The unreacted acid required 14.2 mL of 1 M NaOH solution for neutralisation. The atomic weight of the metal is
MCQ+1 / -02024
6Some Basic Concepts Of Chemistry
Which one of the following has the same number of atoms as are in 6 g of $\mathrm{H}_2 \mathrm{O}$ ?
MCQ+1 / -02023
7Some Basic Concepts Of Chemistry
The masses of carbondioxide and water (in g) respectively formed during complete combustion of 10 g of glucose at STP are
MCQ+1 / -02023
8Some Basic Concepts Of Chemistry
The sum of three values $12.0,19.034$ and 2.0143 is equal to $X$. The number of significant figures in $X$ is
MCQ+1 / -02023
9Some Basic Concepts Of Chemistry
Magnetite can be reduced with CO to yield iron metal and carbon dioxide. Calculate the mass of magnetite (in kg ) needed to obtain 4 kg of iron if the process is $80 \%$ efficient. [Atomic weight of Fe and O are 56 g and 16 g , respectively...
MCQ+1 / -02022
10Some Basic Concepts Of Chemistry
Round the number 234555359 to 3 significant figure.
MCQ+1 / -02022
11Some Basic Concepts Of Chemistry
Identify the values of $a, b, c, d$ and $e$ for the following unbalanced reaction,
$$ \begin{aligned} a \mathrm{KNO}_3+5 \mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11} \longrightarrow b \mathrm{~N}_2 & +c \mathrm{CO}_2 +d \mathrm{H}_2 \ma...
$$ \begin{aligned} a \mathrm{KNO}_3+5 \mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11} \longrightarrow b \mathrm{~N}_2 & +c \mathrm{CO}_2 +d \mathrm{H}_2 \ma...
MCQ+1 / -02022
12Some Basic Concepts Of Chemistry
The number of significant figures in 2.0400 is
MCQ+1 / -02022
13Some Basic Concepts Of Chemistry
The average molecular weight of the air which has $21 \%$ of $\mathrm{O}_2$ and $79 \%$ of $\mathrm{N}_2$, is
MCQ+1 / -02022
14Some Basic Concepts Of Chemistry
Combustion of 10 mL of a gaseous hydrocarbon gives 40 mL of $\mathrm{CO}_2$ and 50 mL of water vapour under the same conditions. The molecular formula of the hydrocarbon is
MCQ+1 / -02022
15Some Basic Concepts Of Chemistry
The amount of $50 \%(w / w)$ solution of hydrochloric acid required to react with 200 g of $\mathrm{CaCO}_3$ would be
MCQ+1 / -02022
16Some Basic Concepts Of Chemistry
Calculate the number of moles of NaOH required to completely neutralise 100 g of $118 \%$ oleum.
MCQ+1 / -02022