Download App

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

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
Alumina is
  • A
    Acidic
  • B
    Basic
  • ✓
    Amphoteric
  • D
    None of these
✓

Answer

Correct option: C.
Amphoteric
c
(c) Alumina is amphoteric oxide, which reacts acid as well as 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

If $pH$ of $A,\,\,B,\,\,C$and $D$ are $9.5, 2.5, 3.5 $ and $5.5$ respectively, then strongest acid is
→
$5\,mole$ of $A$, $6\, moles$ of $B$ and excess amount of $C$ are mixed to produce a final product $D$, according to the reaction 
$A + 2B \to I$
$I + C \to B + D$
What is the maximum moles of $D$ can be produced assuming that the products formed can also be reused in the reactions ? .............. $\mathrm{moles}$
→
In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, which gives blood red colour with $Fe ^{3+}$ due to the formation of-
→
Both lithium and magnesium display similar properties due to the diagonal relationship; however, the one which is incorrect, is:
→
What will be the standard heat of reaction for the reaction for the reaction $C_2H_{6(g)} + 7/2 O_{2(g)} \to 2CO_{2(g)} + 3 H_2O_{(l)}$ if standard heat of combustion of $C_{(s)}$ and $ H_{2(g)}$ are $-393.5$ and $-285\, kJ/mol$ respectively and standard heat of formation of $C_2H_{6(g)}$ is $-88.2\, kJ/mol$......$kJ/mol$
→
$p{K_a}$ value for acetic acid at the experimental temperature is $5$. The percentage hydrolysis of $0.1\,\,M$ sodium acetate solution will be
→
In which of the following does sulphur has the lowest oxidation state?
→
The incorrect $IUPAC$ name is
→
Enthalpies of formation of $CCl _{4( g )}, H _2 O_{( g )}, CO _{2( g )}$ and

$HCl_{ ( g )}$ are $-105,-242,-394$ and $-92\,kJ\,mol ^{-1}$

respectively. The magnitude of enthalpy of the reaction given below is $......kJ\,mol ^{-1}$

(nearest integer) $CCl _{4( g )}+2 H _2 O_{( g )} \rightarrow CO _{2( g )}+4 HCl_{( g )}$

→
In which of the following process energy is absorbed ?
→