Which of the following is the least stable and its existence is doubtful
Which of the following is the least stable and its existence is doubtful Options (a) SnI₄ (b) CI₄ (c) PbI₄…
7 years ago
Chemistry
Which of the following glasses is the most heat resistant?
Which of the following glasses is the most heat resistant? Options (a) Bottle glass (b) Flint glass (c) Water glass…
7 years ago
Which of the following shows bond in silicone?
Which of the following shows bond in silicone? Options (a) Si - C - Si - C - Si (b)…
7 years ago
Aluminium deposited vapours on glass forms a good mirror essentially because
Aluminium deposited vapours on glass forms a good mirror essentially because Options (a) it has better shine than Ag (b)…
7 years ago
Aluminium oxide is not reduced by chemical reaction since
Aluminium oxide is not reduced by chemical reaction since Options (a) reducing agent contaminate (b) the process pollute the environment…
7 years ago
Pb + Conc.HNO₃ gives
Pb + Conc.HNO₃ gives Options (a) Pb(NO₃)₂ + NO₂ (b) PbNO₃ + NO (c) Pb(NO₃)₄ + NO₃ (d) Pb(NO₃)₃ +…
7 years ago
The lusture of a metal is due to
The lusture of a metal is due to Options (a) its chemical inertness (b) its high polishing (c) its high…
7 years ago
Which of the following is true for diamond
Which of the following is true for diamond Options (a) diamond is a bad conductor of heat (b) diamond is…
7 years ago
Diamond is used I glass cutting due to its
Diamond is used I glass cutting due to its Options (a) high metallic bonding (b) extreme hardness (c) low metallic…
7 years ago
Glass is soluble in
Glass is soluble in Options (a) HClO₄ (b) Hf (c) aqua regia (d) H₂SO₄ Correct Answer: HfExplanation:Unlike other halogen acids,…
7 years ago