reduction
Reduction Is Gain in the OIL RIG mnemonic. This topic is part of Chemistry within Science & Nature. This page currently draws on 13 supporting questions, with answers and bonus facts available below.
reduction trivia questions
Reduction involves gaining what?
Answer: Electrons
Bonus fact: Reduction Is Gain in the OIL RIG mnemonic.
Oxidation and reduction always occur together in what kind of reactions?
Answer: Redox reactions
Bonus fact: One species loses electrons while another gains them.
In reduction, oxidation number generally does what?
Answer: Decreases
Bonus fact: Gaining electrons lowers oxidation state.
In population genetics, a bottleneck means a sharp temporary reduction in what?
Answer: Population size
Bonus fact: Population bottlenecks can reduce genetic diversity.
Which noise-reduction system became common on higher-quality cassette recordings?
Answer: Dolby
Bonus fact: Dolby systems reduced audible tape hiss.
What is the long-term reduction in ocean pH caused primarily by uptake of atmospheric carbon dioxide called?
Answer: Ocean acidification
Bonus fact: NOAA says the ocean absorbs about 30 percent of carbon dioxide released into the atmosphere.
In a redox reaction, reduction means a species does what?
Answer: Gains electrons
Bonus fact: The mnemonic OIL RIG means Oxidation Is Loss, Reduction Is Gain of electrons.
In a discharging electrochemical cell, oxidation occurs at which electrode?
Answer: Anode
Bonus fact: A common chemistry mnemonic is 'An Ox, Red Cat': oxidation at the anode, reduction at the cathode.
Which precious metals are commonly used as catalysts in converters?
Answer: Platinum, palladium, and rhodium
Bonus fact: These metals catalyze oxidation and reduction reactions.
Oxidation is commonly defined as loss of what?
Answer: Electrons
Bonus fact: The mnemonic OIL RIG means Oxidation Is Loss, Reduction Is Gain.
The World Bank primarily provides financing and expertise for what?
Answer: Development projects
Bonus fact: It supports poverty reduction and development.
At which electrode does oxidation occur in a voltaic cell?
Answer: Anode
Bonus fact: A common electrochemistry mnemonic is "An Ox, Red Cat": oxidation at the anode, reduction at the cathode.