Download App

-p-Block elements - I — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
An element $A$ dissolves both in acid and alkali. It is an example of
  • A
    Allotropic nature of $A$
  • B
    Dimorphic nature of $A$
  • C
    Amorphous nature of $A$
  • ✓
    Amphoteric nature of $A$
✓

Answer

Correct option: D.
Amphoteric nature of $A$
d
(d) Amphoteric substance can react with both acid and base.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from -p-Block elements - I→-p-Block elements - I — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

What will be the ratio of wavelength of third line of Balmer series in $H{e^ \oplus }$ ion spectrum to the first line of balmer series in $Li^{+2}$ ion spectrum
→
Which is smallest in size
→
In which of the following reactions does the heat change represent the heat of formation of water
→
Vapour density of a metal chloride is $66$. Its oxide contains $53\%$ metal. The atomic weight of the metal is
→
The wave function $R_{2,0}$ for hydrogen atom is $R_{2,0} = K\, (2 -r/a_0)$ exp $(-r/2a_0)$, where $K$ is constant. The distance $r$ at which $R_{2,0}$ exhibits nodel point is at :-
→
The value of screening constant for an electron in $3s-$ orbital is always identical with that of an $e^-$ present in
→
While performing a thermodynamics experiment, a student made the following observations, $HCl + NaOH \rightarrow NaCl + H _{2} O \Delta H =-57.3\, kJ\,mol ^{-1}$

$CH _{3} COOH + NaOH \rightarrow CH _{3} COONa + H _{2} O$  $(\Delta H =-55.3\,kJ\,mol ^{-1})$ The enthalpy of ionization of $CH _{3} COOH$ as calculated by the student is $kJ mol ^{-1}$. (nearest integer)

→
The phosphate of a metal has the formula $MHPO_4$. The formula of its chloride would be
→
A sub-shell $l = 2$ can take how many electrons
→
Select correct about the following change

$NO_2^ +  \to N{O_2} \to NO_2^ - $

→