Which of the following element is a metalloid? Mark as favorite Copy Link Calcium Carbon Silicon Nitrogen Check Answer
Which of the following is the best conductor of electricity? Mark as favorite Copy Link Mercury Aluminium Gold Copper Check Answer
The stainless steel is an alloy of? Mark as favorite Copy Link Iron and nickel Iron and chromium Iron, nickel and chromium Nickel and chromium Check Answer
The stainless steel is an alloy of? Mark as favorite Copy Link Nickel and chromium Iron, nickel and chromium Iron and chromium Iron and nickel Check Answer
The soap can be hardened by? Mark as favorite Copy Link adding animal fat and coconut oil adding potassium hydroxide adding sodium carbonate or sodium silicate during its manufacture adding sodium chloride Check Answer
Which of the following property is generally not shown by metals? Mark as favorite Copy Link Electrical conduction Ductility Sonorous in nature Dullness Check Answer
Where do the metals which can displace hydrogen from water at room temperature appear in the reactivity series? Mark as favorite Copy Link next to hydrogen at the bottom near the top in the middle Check Answer
During electrolytic refining of zinc, it gets? Mark as favorite Copy Link Remains in the solution Deposited on cathode as well as anode Deposited on cathode Deposited on anode Check Answer
Silver articles become black on prolonged exposure to air. this is due to the formation of? Mark as favorite Copy Link Ag3N Ag2S and Ag3N Ag2O Ag2S Check Answer