1 |
The haviest metal is |
Iron
Lead
Osmium
Platinum
|
2 |
Which of the following is a metal |
Magnesium
Carbon
Hydrogen
Nitrogen
|
3 |
Platinum alloyed with which metal is used as catalyst in automobiles as atalytic covertor. |
Gold
Rhodium
Palladium
Both a and b
|
4 |
Which group elements has low ionization energies. |
Halogens
Noble gases
Alkaline Earth Metals
Alkali Metals
|
5 |
Sodium metal has electrons |
10
11
12
14
|
6 |
Metals posses. |
Ionic bond
Covalent bond
Co-ordinate covalent
Metallic bond
|
7 |
All metals bear |
Positive charge
Negative charge
Both a and b
None of these
|
8 |
Which are good conductor of heat and electricity |
Metals
Non metals
Metalloids
All of these
|
9 |
Metals are teh elements which have. |
Electronegative character
Electropositive character
Both a and b
None of the above
|
10 |
Metals lose their elecrons easily because. |
They are elecrnegativity
They have electron affinity
They are electropositive
Good conductors of heat
|
11 |
Pure alkalis metals can be cut siply by knife but iron cannot bccause of alkali meals have |
Non metalic bonding
Strong metallic bonding
Weak metallic bonding
Moderate metqllic bonding
|
12 |
Metals can form ions carrying carges. |
Uni positive
Di positive
Tri postive
All of these
|