Advertisements
Advertisements
प्रश्न
Name an alloy of lead and tin.
Advertisements
उत्तर
Solder
Explanation:
Solder is an alloy of lead and tin. It contains 50 percent lead and 50 percent tin.
संबंधित प्रश्न
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
State one use of Aluminium.
A metal with melting point less than 50°C is
A metal which is neither ductile nor malleable is
Write name.
The reagent that dissolves noble metals.
State the position of the following in the periodic table:
Halogens
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Why do metals appear shiny?
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
