Hey, how about a quick science quiz right away? This quiz will test your knowledge of metals, elements, atoms, etc. So, let's keep the description as short as the quiz is and get started.
Questions and Answers
1.
Atoms:
Elements with the same number of ___________ ___________ have similar chemical properties.
2.
Limestone:
___________ turns cloudy when carbon dioxide is bubbled through it.
3.
Metals:
Metals that are more reactive than carbon have to be extracted by _____________.
4.
Crude Oil:
Complete combustion of hydrocarbons always produces carbon dioxide and ________ ________.
5.
More Crude Oil:
___________ ___________ will decolourise when shaken with alkenes.
6.
Plant Oils:
Vegetable oil can be hardened to make margarine by reacting it with _______________ using a nickel catalyst at 60⁰C.
7.
The Earth and Atmosphere:
Plants remove carbon dioxide for the atmosphere through ________________.