General Knowledge Metals, Acid, Chemical and Gases For FPSC, PPSC, NTS, CSS And Various Exams
General Knowledge For FPSC, PPSC, NTS, CSS
And Various Exams
( Metals, Acid, Chemical and Gases )
- Substance which changes readily into vapor upon heating is called volatile
- Selenium is a non metal
- Most elastic among carbon, rubber, glass and paper is glass
- Quartz is chemically silicon dioxide
- Highest electrical conductivity is of Silver
- Vinegar contains Acetic Acid.
- Lightest element found in nature is hydrogen
- Heaviest atom is uranium with atomic weight 92 amu
- Molasses is a by-product of sugar industry.
- Formic Acid is used in dying, tanning and electroplating.
- Which gas discovered in 1898 has a name meaning new Neon.
- The metal known as quick silver: Mercury
- Ethylene is a gas concerned with Ripening of fruits.
- Opium is obtained from seed capsule of opium poppy.
- Dry Ice is solid Carbon dioxide
- The most common element in the universe is Nitrogen.
- Geologists have classified nearly 3000 minerals.
- Igneous rocks are solidified form of molten magma.
- Sedimentary rocks are formed by the deposition of sediments in water.
- Metamorphic rocks are the rocks transformed by the action of intense heat or great pressure or chemical activity.
- Shale is a metamorphic rock.
- Sedimentary rocks cover about 75% of world’s land area.
- Moon rocks collected by astronauts are igneous in type.
