Question
Interpret why jewellery made from sodium would not be safe.

Answer

Jewellery made from sodium would not be safe because Sodium is highly reactive with moisture and oxygen in the air. It would quickly corrode and lose its appearance, and could even ignite spontaneously.

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

Similar questions

Plants are considered an essential part of earth as they keep a check on lot of process occurring all over. What would happen if all the green plants are wiped from earth?

A laboratory thermometer $A$ is kept $7\ cm$ away on the side of the flame while a similar thermometer $B$ is kept $7\ cm$ above the flame of a candle as shown in Figure.

Which of the thermometers, $A$ or $B$, will show a greater rise in temperature? Give reason for your answer.
Design an eco-friendly experiment to show gas exchange in plants without harming them.
Why a cotton garment cannot keep us as warm in winter as a woollen sweater can?
Following statements describe the five steps in animal nutrition. Read each statement and give one word for each statement. Write the terms that describe each process.
(i) Transportation of absorbed food to different parts of body and their utilisation.
(ii) Breaking of complex food substances into simpler and soluble substances.
(iii) Removal of undigested and unabsorbed solid residues of food from the body.
(iv) Taking food into the body.
(v) Transport of digested and soluble food from the intestine to blood vessels.
Explain physical reaction along with examples.
In winter, people feel breathless in hilly areas. Why?
A person chews food fast but swallows it without proper chewing. What problems can arise?
How does a periscope help us see things not in direct line of sight?
Priya observed that lime water turned milky on blowing through a straw. What did she conclude?