MCQ
Metal mirrors are composed of _______ alloy.
- ADuralumin
- BBrass
- CMagnalium
- DAlnico
✓
Answer
C. Magnalium
Explanation: Metal Mirrors are composed of Magnalium alloy, which is an alloy of aluminium.
Explanation: Metal Mirrors are composed of Magnalium alloy, which is an alloy of aluminium.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Ammonia is prepared industrially by the synthesis of nitrogen and hydrogen gases. Which is the incorrect statement?
The simplest formula of a compound containing $50 \%$ of element $X$ (atomic mass 10 ) and $50 \%$ of element $Y$ (atomic mass 20) is:
→Moving across the period of a periodic table, the elements show increasing:
The hydrocarbon(s) which can form addition compounds only is/are:
In acetylene $( C _2 H _2)$, bond angle of $H - C \equiv C - H$ is:
→Given below ion formed by the combination of :
Assertion (A): Dry HCl is collected by the downward displacement of air.
Reason (R): HCl is heavier than air.
Reason (R): HCl is heavier than air.
Bonding in this molecule can be understood to involve coordinate bonding.
Assertion (A): Carbon possesses property of catenation.
Reason (R): Carbon atoms form double as well as triple bonds only during catenation.
Reason (R): Carbon atoms form double as well as triple bonds only during catenation.
In the $2^{\text {nd }}$ period Neon has maximum Ionization Potential because :
→