Advertisements
Advertisements
Question
Halogen reacts with acid.
Options
Right
Wrong
Solution
Halogen reacts with acid- Right
APPEARS IN
RELATED QUESTIONS
State one use of Copper.
Which property of 'solder' alloy makes it suitable for welding electrical wires?
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
What elements are present in steel? How are the properties of steel different from those of pure iron?
Mention two uses of the following metals and non-metals
Gold
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
Tick (√) the most appropriate answer.
Graphite is used :
State two important uses of following metal
Uses of lead
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
What was Mendeleev's basis for the classification of elements?
With reference to the following metals state their use in daily life metal:
Silver
State a specific reason for using copper in electrical cables
Write the name.
Two highly reactive metals-
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
An element which is always lustrous, malleable and ductile is ______.
The most abundant element in the universe is ____________.
The ability of metals to be drawn into thin wire is known as
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
Which metal has the highest ductility?
