alleryHow can a non-metal object be made to look shiny?
ABy cooling it in water
BBy weighing it on a balance
CBy stirring it in sugar
DBy polishing or waxing it
Answer & Solution
Correct answer: D. By polishing or waxing it
1. Not all shiny things are metals, as the saying 'All that glitters is not gold' reminds us.
2. Surfaces can be made shiny by polishing or by coating with thin layers of plastic or wax.
3. Cooling, stirring and weighing do not change surface shine.
_Source: NCERT Curiosity Class 6 Science, Ch 6, 6.3.1_
Keep practising Materials Around Us
Browse all Materials Around Us questions for CTET, or explore more Science topics.
Related questions
Most plastics are produced from which raw sources?Polylactic acid is a popular biodegradable plastic. From which kind of material is it deriWhich use accounts for the largest share, about 40 percent, of plastic?Which plastic is widely used in pipes and construction because of its strength and durabilWho invented Bakelite, the world's first fully synthetic plastic, in 1907?Plastics are composed primarily of which kind of substances?Which metal is thought to have been the first refined, about 11,000 years ago?What is an alloy in the context of metals?