20% of what is in the metal part at the end of a pencil ?
Answer: sulphur
As what is sulphur also known ?
Answer: brimstone
For what is the chemical formula H2O2 ?
Answer: hydrogen peroxide
For what metal is 'Au' the chemical symbol ?
Answer: gold
Hydrogen Hydroxide is more commonly known as what ?
Answer: water
Nitrogen, a poisonous gas, makes up 78% of the ____ that we breathe Answer: "air Of what is 98% of the weight of water made ?
Answer: oxygen
Sodium bicarbonate is better known as ____ ?
Answer: baking soda
Sodium Hydroxide is more commonly known as ____ ?
Answer: lye
The process of removing salt from sea water is known as ____ ?
Answer: desalination
The smallest portion of a substance capable of existing independently and retaining its original properties is a(n) ____ ?
Answer: molecule
This ancient attempt to transmute base metals into gold was called ____ ?
Answer: alchemy
This is the heaviest naturally occurring element ?
Answer: uranium
This is the symbol for tin ?
Answer: sn
This poisonous gas is in the exhaust fumes from cars ?
Answer: carbon monoxide
To what group of elements do cerium, praesiodymium and promethium belong ?
Answer: rare earth metals
Water containing carbon dioxide under pressure is called ____ ?
Answer: soda water
What are Helium, Neon, Argon, Krypton and Xenon ?
Answer: Noble Gases
What are Petrol, Naphta, Kerosine, Diesel and Oil ?
Answer: Hydrocarbons
What colour does litmus paper turn if a solution is acidic ?
Answer: red
What does the symbol 'Am' represent ?
Answer: americium
What element has the periodic table name Au ?
Answer: Gold
What element has the periodic table name Na ?
Answer: Sodium
What element has the periodic table name Sb ?
Answer: Antimony
What element has the periodic table name Sn ?
Answer: Tin
What is a corrosive substance with a pH value less than 7 called ?
Answer: acid
What is another name for iron oxide ?
Answer: Rust
What is brine ?
Answer: Salt water
What is calcium oxide commonly called ?
Answer: lime
What is it that turns blue litmus paper red ?
Answer: acid
What is the abbreviation for trinitrotoluene ?
Answer: TNT
What is the atomic number for thallium ?
Answer: 81
What is the atomic number of Bromine ?
Answer: thirty five
What is the atomic number of Molybdenum ?
Answer: forty two
What is the atomic number of sulphur ?
Answer: 16
What is the atomic number of uranium ?
Answer: ninety two
What is the chemical name for quicksilver ?
Answer: mercury
What is the chemical symbol for copper ?
Answer: cu
What is the chemical symbol for gold ?
Answer: Au
What is the chemical symbol for iron ?
Answer: Fe
What is the common name for lysergic acid diethylamide ?
Answer: LSD
What is the heaviest naturally occurring element ?
Answer: uranium
What is the main component of air ?
Answer: nitrogen
What is the more scientific name for quicksilver ?
Answer: mercury
What is the symbol for copper ?
Answer: Cu
What is the symbol for iron in chemistry ?
Answer: fe
What is the symbol for silver ?
Answer: ag
What is the symbol for tin ?
Answer: Sn
What name is given to a chemical reaction which gives out heat ?
Answer: Exothermic
What name is given to a chemical reaction which takes in heat ?
Answer: Endothermic
What term is applied to ethyl alcohol that has been treated with poison to make it unfit for human consumption ?
Answer: denatured
What type of paper is used to test for acidity and alkalinity ?
Answer: litmus
Which element is also known as Quicksilver ?
Answer: Mercury
Who invented dynamite ?
Answer: Alfred Nobel
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