Answered

(i) Which of the following is a non-metal but is lustrous and a conductor of electricity?

A. Sodium
B. Sulphur
C. Bromine
D. Iodine

(ii) Which of the following is known as the 'King of chemicals'?

A. Urea
B. Ammonia
C. Sulphuric acid
D. Nitric acid

(iii) Which of the following non-metals is a liquid?

A. Carbon
B. Bromine
C. Iodine
D. Sulphur

(iv) Which of the following can change to a cation?

A. Fluorine
B. Oxygen
C. Potassium
D. Neon

(v) An element 'X' forms an oxide [tex]XO_2[/tex], which is a very useful gas used in the process of photosynthesis. The element 'X' is:

A. Sulphur
B. Nitrogen
C. Carbon
D. Phosphorus



Answer :

GinnyAnswer

Final answer:

Non-metals exhibit diverse physical states and properties, such as lustrous appearance and being in liquid form at room temperature.


Explanation:

Non-metals are elements that lack metallic properties, such as conductivity and lustrous appearance. For example, iodine is a non-metal but is lustrous. Bromine is a non-metal that exists as a liquid at room temperature, making it unique among non-metals. Non-metals like sulphur and carbon can be in various states of matter - liquid, solid, or gas.


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