Questions
Consider the following statements:
- Platinum is used in the making of filaments of an electric bulb.
- Iron is extracted from haematite ore.
Which of the given statements is/are incorrect?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
(1) Iron is known as 'metal of the future'.
(2) Iron was the first metal used by man.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- Amalgams are compounds that always contain aluminium.
- Mercury is known to pollute the air of big cities with a large number of vehicles.
Which of the given statements is/are incorrect?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- India is the largest producer of iron ore.
- DDT and bleaching powder are common compounds of chlorine.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- Titanium is used for making boats because it does not corrode by seawater.
- Bronze was used for making the Statue of Liberty.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- Minamata disease is caused by the poisoning effect of Mercury.
- Gold is mostly found in impure state.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- A compound added to odourless LPG cooking gas for imparting a detectable smell to the gas is of sulphur.
- Solar panels are mainly made of silicon.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- The GDP contribution of the mining industry of India varies from 7% - 8% till 2013.
- Medal of Noble Prize is made of 18 carat green gold plated with 24 carat gold.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- Silver is the best conductor of electricity.
- Diamond is a good conductor of electricity.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Which of the following metals is the 'Bharat Ratna', India's highest civilian award made?
- Silver, gold and platinum
- Platinum, bronze and gold
- Silver and gold
- Platinum and gold
Consider the following metals:
- The coinage metals include silver, copper, gold and zinc.
- In fireworks, the green flame is produced due to barium.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- When radioactive uranium loses its entire radioactivity, it decays into carbon.
- India is an exporter of hematite, granite and bauxite.
Which of the given statements is/are incorrect?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Consider the following statements:
- Sulphur dioxide is a major air pollutant produced by nuclear power plants.
- Stainless steel is an alloy of aluminium.
Which of the given statements is/are correct?
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Match the following:
| Metals | Ores |
| 1. Silver | a. Hematite |
| 2. Aluminum | b. Cinnabar |
| 3. Mercury | c. Galena |
| 4. Iron | d. Bauxite |
- 1 – c, 2 – d, 3 – b, 4 – a
- 1 – c, 2 – a, 3 – b, 4 – d
- 1 – b, 2 – a, 3 – d, 4 – c
- 1 – b, 2 – d, 3 – c, 4 – a