Aluminium is a self-protecting metal,because

  • A
    It is not tarnished by air
  • B
    $A$ thin film of basic carbonate on its surface
  • C
    $A$ non-porous layer of oxide is formed on its surface
  • D
    It is not affected by salt water

Explore More

Similar Questions

Which of the following properties describes the diagonal relationship between boron and silicon?

Boron halides behave as Lewis acids because of their

The element that has the least metallic character is ..........

In the structure of $B_2H_6$,the number of $BH_2$ groups present in one plane,and the number of $B-H$ terminal bonds,$B-B$ bonds,and $B-H-B$ bridge bonds are respectively:

$Na_2B_4O_7 \cdot 10H_2O \xrightarrow{\Delta} 2NaBO_2 + B_2O_3 (A) + 10H_2O$. $(A) + MnO \xrightarrow{\Delta} Mn(BO_2)_2 (B)$. $(A)$ and $(B)$ are

Difficult
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo