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प्रश्न
Name the following:
or
With reference to the physical properties of metals and non-metals, state the following exception.
A metal which is liquid at room temperature.
उत्तर
Mercury
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संबंधित प्रश्न
Which property of copper and aluminium makes them suitable for making electric wires?
Write the name and formulae of a non-metal hydride.
Name two metals which are used for making electric wires.
Name a non-metal having a very high melting point.
State three reasons (of which at least one must be chemical) for believing that sodium is a metal.
The electronic configurations of three elements X, Y and Z are:
| X : 2 | Y : 2, 8, 7 | Z : 2, 8, 2 |
Which of the following is correct regarding these elements?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal
Name the metals present in the following alloys
Stainless steel
Fill in the blank
Tungsten metal is a poor conductor of _______
Fill in the blank
A chemical compound that makes up the striking heads of match sticks is .........................
Write ‘True’ or ‘False’ in front of following statement.
Graphite is used in making filaments of electric bulb.
Name a metal which is lighter than water :
Name a non-metal which is liquid form at room temperature.
State two important uses of following non-metal
iodine
State the composition and two uses of given alloy:
Brass
Name a liquid non-metal.
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Acidic oxide ………………
Name:
the most abundant metal and the most abundant non=metal
Name a non-metal which shows reducing property.
Explain how the activity series accounts for each of the following:
reaction with acids
Identify the odd term.
Identify the odd term.
Name a metal which does not corrode easily.
Explain the following:
Metals like calcium and magnesium are never found in their free state in nature.
With reference to the physical properties of metals and non-metals, state the following exception.
a non-metal which sublimes and is non-lustrous
Complete the statement given below, by filling in the blank with the correct word:
The ability of a metal to produce a reasonant sound ______.
State whether the statement given below is true or false. If false write the correct statement.
Lead pencils contain lead.
Identify who I am!
Amphoteric oxide forming metal- _______
______ is the only non-metal which conducts electricity.
Which of the following non-metals is a liquid?
