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प्रश्न
Halogen reacts with acid.
पर्याय
Right
Wrong
उत्तर
Halogen reacts with acid- Right
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संबंधित प्रश्न
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam
Give reasons
Graphite is used in the leads of pencils
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
Name a metal which is not malleable :
State two important uses of following metal
Uses of lead
State the position of the following in the periodic table:
Alkaline earth metals
Write name.
The reagent that dissolves noble metals.
State a specific reason for using copper in electrical cables
Name the following:
A metal used in packaging.
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
The metal which is liquid at room temperature is ______.
Which one of the following metals do not react with cold as well as hot water?
Metals are ______ conductors of heat and electricity.
Why do metals appear shiny?
Which metals are not solid at room temperature?
Why are metalloids called semimetals?
