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प्रश्न
Choose the most appropriate answer of the following:
This is not an alloy of copper:
(A) Brass
(B) Bronze
(C) Solder
(D) Duralumin.
उत्तर
Solder
Solder is an alloy of lead and tin.
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संबंधित प्रश्न
Write a balanced chemical equation for the action of heat on aluminium hydroxide.
Which of the following are amphoteric oxides:
MgO, ZnO, P2O3, Al2O3, NO2
What is the nature of the oxide SO2? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
How do non-metals react with oxygen? Explain with an example. Give equation of the reaction involved. What is the nature of the product formed? How will you demonstrate it?
Which of the following metal exists in the liquid state?
(a) Na
(b) Ag
(c) Cr
(d) Hg
Give the effect of heat on metal oxides based on the activity series ?
Identify the odd term.
Which metal occurs as a sulphide also gives the name of their respective ore.
Which metal occurs as a halide also gives the name of their respective ore.
Give reason for the following:
Metals form cations while non-metals form anions.
