Download App

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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 -p-Block elements - I4 Marks
MCQ
Hydrogen gas will not reduce
  • A
    Heated cupric oxide
  • B
    Heated ferric oxide
  • C
    Heated stannic oxide
  • ✓
    Heated aluminium oxide
✓

Answer

Correct option: D.
Heated aluminium oxide
d
Aluminium oxide cannot be reduced by hydrogen even under very hot conditions because $Al$ is more reactive than $H$. While other oxides can be reduced by hydrogen as they are below hydrogen in the metal reactivity series.

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

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Given below are two statements :-

Statement $I:$- In redox titration, the indicators used are sensitive to change in $pH$ of the solution.

Statement $II:$- In acid-base titration, the indicators used are sensitive to change in oxidation potential.

In the light of the above statements, choose the most appropriate answer from the options given below

→
Aluminium is not used
→
Half-lives of a first order and a zero order reaction are same. Then the ratio of the initial rates of first order reaction to that of the zero order reaction is
→
In which of the $f-$ block element number of electron in $(n -2)f$ subshell is zero :
→
The most stable resonating structure is
→
The energies $E_1$ and $E_2$ of two radiations are $25\ eV$ and $50\ eV$ respectively. The relation between their wavelengths i.e., $\lambda _1$ and $\lambda _2$ will be
→
Which of the following compounds in liquid state does not have hydrogen bonding
→
The number of unpaired electrons in an ${O_2}$ molecule is
→
The pair of compounds that can exist together is
→
Which of the following compound do not gives isocyanide test
→