Questions
Of these, the least dense metal is ___________.
- Hg
- Au
- Cu
- Na
Which of the following is the most ductile metal?
- Al
- Au
- Cu
- Ag
Of these, which ion will get reduced most readily?
- K+
- Zn2+
- Cu2+
- Ag+
Which of the following is displaced by 'Cu'?
- Fe2+
- Ag+
- Zn2+
- Al3+
Which of the following metals reacts readily with cold water?
- Au
- Ag
- Na
- Mg
Metals are generally__________
- soft and ductile
- hard and brittle
- non-reactive and malleable.
- hard, ductile and malleable
Of these, the metal which occurs in a free state is ___________.
- Na
- Mg
- Zn
- Pt
Which of the following non-metals is a good conductor of electricity?
- Phosphorus
- Sulphur
- Graphite
- Coal
The metal stored in kerosene due to its high reactivity with air and water is ...
- Magnesium
- Zinc
- Sodium
- Calcium
Materials having the properties of both metals and non metals are called _____.
- Metalloids
- Noble metals
- Alloys
- Mixtures
Which of the following metals does not displace H2 gas from dilute HCl or dilute H2SO4?
- Mg
- Cu
- Zn
- Al
A metal which is found in liquid state at room temperature is ...
- Sodium
- Mercury
- Potassium
- Aluminium
Of these, which metal will lose electrons most readily and form cations?
- K
- Zn
- Cu
- Au
The most reactive metal is
- Fe
- Zn
- Al
- K
Iron can displace _______ from its salt solution.
- Zinc
- Sodium
- Potassium
- Copper
Which of the following is a group I element
- Sodium
- Mercury
- Iron
- Aluminium
Non-metals are generally
- hard and ductile
- soft and brittle
- hard and brittle
- soft and ductile
Which of the following metals is extracted only by electrolysis?
- Zn
- Al
- Fe
- Cu
Which oxide of a metal gets reduced only by coke and not by H2 gas or CO gas?
- Fe2O3
- PbO
- ZnO
- CuO
Which of the following metals is the most reactive?
- Copper
- Potassium
- Iron
- Zinc