TS EAMCET · Chemistry · Some Basic Concepts of Chemistry
The sum of three values \(12.0,19.034\) and 2.0143 is equal to \(\mathrm{X}\). The number of significant figures in \(\mathrm{X}\) is
- A 2
- B 5
- C 4
- D 3
Answer & Solution
Correct Answer
(D) 3
Step-by-step Solution
Detailed explanation
\[ \begin{array}{ll} & 12.0 \\ + & 19.034 \\ + & 2.0143 \\ \hline & 33.0483 \\ & 33.0 \end{array} \] \(\therefore \quad\) No. of significant figure \(=3\) Result is reported upto one decimal point.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- \(\mathrm{Pt}+3: 1\) mixture of (conc. \(\mathrm{HCl}+\) conc. \(\mathrm{HNO}_3\) ) \(\rightarrow[\mathrm{X}]^2\) What is the oxidation state of Pt in \([\mathrm{X}]^{2-}\) complex ion?TS EAMCET 2024 Medium
- Which one of the following has highest boiling point?TS EAMCET 2016 Medium
- Identify the correct orders regarding atomic radii
i. \(\quad \mathrm{Cl}>\mathrm{F}>\mathrm{Li}\)
ii. \(\quad \mathrm{P}>\mathrm{C}>\mathrm{N}\)
iii. \(\quad \mathrm{Tm}>\mathrm{Sm}>\mathrm{Eu}\)
iv. \(\quad \mathrm{Sr}>\mathrm{Ca}>\mathrm{Mg}\)TS EAMCET 2025 Medium - Vapour pressure in \(\mathrm{mm} \mathrm{Hg}\) of 0.1 mole of urea in \(180 \mathrm{~g}\) of water at \(25^{\circ} \mathrm{C}\) is (The vapour pressure of water at \(25^{\circ} \mathrm{C}\) is \(24 \mathrm{~mm} \mathrm{Hg}\) )TS EAMCET 2014 Easy
- Suitable reagents \(\mathrm{X}\) and \(\mathrm{Y}\), respectively, in the following reactions are
TS EAMCET 2022 Hard - Insulin and glucagon, which are responsible to maintain the blood glucose level, fall underTS EAMCET 2020 Medium
More PYQs from TS EAMCET
- \(19 \mathrm{~g}\) of a mixture containing \(\mathrm{NaHCO}_3\) and \(\mathrm{Na}_2 \mathrm{CO}_3\) on complete heating liberated \(1.12 \mathrm{~L}\) of \(\mathrm{CO}_2\) at STP. The weight of the remaining solid was \(15.9 \mathrm{~g}\). What is the weight (in g) of \(\mathrm{Na}_2 \mathrm{CO}_3\) in the mixture before heating?TS EAMCET 2011 Easy
- The domain of \(f(x)=\log \left[(2.5)^{3-x^2}-(0.4)^{x+9}\right]\) isTS EAMCET 2018 Easy
- If a point moves such that the sum of the squares of its coordinates is equal to their product, then the locus of excluding origin isTS EAMCET 2021 Easy
- \[ \int_0^2 x^3(2-x)^4 d x= \]TS EAMCET 2023 Medium
- If \(a=3, b=5, c=7\) are the sides of a triangle ABC, then \(\cot \mathrm{A}+\cot \mathrm{B}+\cot \mathrm{C}=\)TS EAMCET 2025 Medium
- Let \(Q\) be a point on the circle \(B: x^2+y^2=a^2\) and \(P(h, k)\) be a fixed point. If the locus of the point which divides the join of \(P\) and \(Q\) in the ratio \(p: q\) is a circle \(C\), then the centre of \(C\) isTS EAMCET 2018 Easy