Question

Which of the following
metals and non-metals are
solid at room temperature? निचे
दिये गये धातुओं एवं अधातुओं में सामान्य
तापक्रम पर ठोस अवस्था में कौन सी है।
*
[A] Iron, Sodium,Calcium----Carbon,
Sulphar, Phosphorus
लोहा,सोडियम,कैल्सीयम-
कार्बन,सल्फर,फॉरस्फोरस
[B] Mercury, Sodium, Potassium --
Nitrogen, Chlorine and
oxygenमर्करी,सोडियम, पोटेसियम-
नाइटोजनक,कलोरिन और आक्सीजन
[C] Copper, Silver, Aluminium--
Bromine, lodine, and Hydrogen.
कॉपर, सिलवर,एल्यूमिनियम-ब्रोमिन,आयाडिन
और हाइड्रोजन
[D] None of these, इनमें से कोई नहीं।​

Answer 1

Answer:

Answer will be a one iron sodium calicum carbon silphar phosphorus

Answer 2

Answer:

option a is correct  :-

Iron , Sodium , Calcium , Carbon , Sulphur , Phosphorus  . These all are solid at room temperature . Metals are solid at room temperature because they have strong inter molecule forces of attraction which cannot be broken at energy provided at room temperature . bromine is liquid at room temperature. and non metals such as carbon and sulfur are solid at room temperature.

hope it will be helpful