AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
The material used in nuclear industry as protective shields and control rods is
- A Borax
- B Metal boride
- C Boric acid
- D Boric oxide
Answer & Solution
Correct Answer
(B) Metal boride
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
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
- At \(27^{\circ} \mathrm{C}\) in a \(10 \mathrm{~L}\) flask \(4.0 \mathrm{~g}\) of an ideal gaseous mixture containing. He (molar mass \(4.0 \mathrm{~g} \mathrm{~mol}^{-1}\) ) and \(\mathrm{Ne}\) (molar mass \(\left.20 \mathrm{~g} \mathrm{~mol}^{-1}\right)\) has a pres sure of \(1.23 \mathrm{~atm}\). What is the mass \(\%\) of neon ? \(\left(R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)\)AP EAMCET 2017 Medium
- The final product \((\mathrm{C})\) in the given reaction sequence is
\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH} \xrightarrow{\mathrm{SOCl}_2}(\mathrm{A}) \xrightarrow[\text { anhy. } \mathrm{AlCl}_3]{\mathrm{C}_6 \mathrm{H}_6}(\mathrm{B}) \xrightarrow[\text { (ii) } \mathrm{KOH} /\left(\mathrm{CH}_2 \mathrm{OH}\right)_2]{\text { (i) } \mathrm{NH}_2-\mathrm{NH}_2}(\mathrm{C})\)AP EAMCET 2025 Medium - The number of extensive and intensive properties in the list given below is respectively
density, enthalpy, mass, temperature, volume, pressureAP EAMCET 2025 Easy - At 300 K . the \(E_{\text {cell }}^{\circ}\) of
\(\mathrm{A}(\mathrm{~s})+\mathrm{B}^{2+}(\mathrm{aq}) \rightleftharpoons \mathrm{A}^{2+}(\mathrm{aq})+\mathrm{B}(\mathrm{~s})\)
is 1.0 V . If \(\Delta_r S^{\circ}\) of this reaction is \(100 \mathrm{JK}^{-1}\), what is \(\Delta_{\mathrm{r}} \mathrm{H}^{\circ}\)
(in \(\mathrm{kJ} \mathrm{mol}^{-1}\) ) of this reaction?( \(\mathrm{F}=96500 \mathrm{Cmol}^{-1}\) )AP EAMCET 2024 Medium - Which of the following statements are not correct?
a) Antihistamine also functions as an antacid
b) The shape of an active site of an enzyme does not change when the drug binds to an allosteric site
c) Chemical messengers communicate the message between two neurons
d) Potassium soaps are hard, while sodium soaps are soft to skin
The correct answer isAP EAMCET 2017 Easy - At \(298 \mathrm{~K}, \Delta_r \mathrm{G}^{\ominus}\) for the following reaction is \(165.469 \mathrm{~kJ} \mathrm{~mol}^{-1}\).
What is the equilibrium constant for this reaction? \(\left(R=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)\)
\(\frac{3}{2} \mathrm{O}_2(\mathrm{~g}) \longrightarrow \mathrm{O}_3(\mathrm{~g})\)AP EAMCET 2025 Medium
More PYQs from AP EAMCET
- \(\tan 6^{\circ} \tan 42^{\circ} \tan 66^{\circ} \tan 78^{\circ}=\)AP EAMCET 2024 Medium
- A silver wire of length \(3 \mathrm{~m}\) and of cross-sectional area \(6.14 \times 10^{-6} \mathrm{~m}^2\) carries a current of 6 A. Atomic weight and density of silver are 108 and \(10500 \mathrm{kgm}^{-3}\), respectively. A silver atom contributes one free electron for conduction. Avogadro number is \(6.023 \times 10^{23} / \mathrm{mol}\). Drift velocity of electrons in silver is, close toAP EAMCET 2021 Medium
- If , then its anti-derivative givenAP EAMCET 2021 Easy
- Which one of the following is false?AP EAMCET 2024 Easy
- In \(\triangle \mathrm{ABC}\) if \(\mathrm{B}=90^{\circ}\) then \(2(r+\mathrm{R})=\)AP EAMCET 2024 Easy
- An unsaturated organic compound, \(\mathrm{X}\) on reaction with hot, acidified \(\mathrm{KMnO}_4\) gives succinic acid. What is \(\mathrm{X}\) ?AP EAMCET 2022 Medium