• 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.
• Sodium Benzoid is used for the preservation of grains.
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• 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.
• Ore of Aluminum is Bauxite
• Pyrolusite is an ore of manganese
• Myrolusite is an ore of Manganese.
• Ore of Gold is Native Gold
• Argentite is an ore of silver
• Magnetite and hematite are iron ores.
• The important ore of Chromium is Chromite
• Bauxite is an ore of aluminum. It contains mineral alumina, or aluminum oxide.
• Diaspore, Felspar, Alurite, Zibcite, and Bauxite are the ores of Aluminum.
• Malachite is an ore of Copper
• Radium is extracted from an ore called Pitch Blonde
• Which element is extracted from the ore Sphalerite-Zinc
• Saccharine is obtained from coal tar
• What is extracted from the ore cinnabar-Mercury
• What is extracted from the ore caserite-Tin
• Aqua Regia is the mixture of Nitric Acid and HCL in 1:3.