The property of metals by which they can be beaten into thin sheets is called ____
a) Ductility
b) Sheetability
c) Metallic
d) Malleability
Answer
Answer: (d)
2. The property of metal by which it can be drawn into wires is called ______
a) Ductility
b) Sheetability
c) Metallic
d) Malleability
Answer
Answer: (a)
3. The metal found in liquid state is
a) Iron
b) Aluminium
c) Mercury
d) Gold
Answer
Answer: (c)
4. When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of
a) Copper oxide and Copper Nitrate
b) Copper hydroxide & Copper Carbonate
c) Copper carbonate and Copper sulphate
d) Copper hydroxide and Copper Nitrate
Answer
Answer: (b)
5. When sulphur dioxide is dissolved in water __________ is formed.
a) Sulphuric acid
b) Sulphoxy acid
c) Sulphurous acid
d) Sulphur trioxide
Answer
Answer: (c)
6. Sodium metal is stored in
a) water
b) Kept under open air
c) alcohol
d) Kerosene
Answer
Answer: (d)
7. Phosphorus is stored in
a) water
b) Kept under open air
c) alcohol
d) Kerosene
Answer
Answer: (a)
8. Since metals produce ringing sounds, they are said to be ____.
a) Sound metal
b) Sonorous
c) Ring metal
d) malleable
Answer
Answer: (b)
9. A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______
a) Metal
b) Non Metal
c) Element
d) Compound
Answer
Answer: (c)
10. They are not sonorous and are poor conductors of heat and electricity. These materials are
a) elements
b) Metals
c) Compound
d) Non metals
Answer
Answer: (d)
Answers
Answer:
answer (d) non metals
Explanation:
they not obey metal cherecters
Answer:
The property of metals by which they can be beaten into thin sheets is called ____
a) Ductility
b) Sheetability
c) Metallic
d) Malleability
Answer: (d)
2. The property of metal by which it can be drawn into wires is called ______
a) Ductility
b) Sheetability
c) Metallic
d) Malleability
Answer: (a)
3. The metal found in liquid state is
a) Iron
b) Aluminium
c) Mercury
d) Gold
Answer: (c)
4. When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of
a) Copper oxide and Copper Nitrate
b) Copper hydroxide & Copper Carbonate
c) Copper carbonate and Copper sulphate
d) Copper hydroxide and Copper Nitrate
Answer: (b)
5. When sulphur dioxide is dissolved in water __________ is formed.
a) Sulphuric acid
b) Sulphoxy acid
c) Sulphurous acid
d) Sulphur trioxide
Answer: (c)