Worksheetssection 1 role of hydrogen in supporting clean energy
Total questions: 10
Worksheet time: 5mins
Which gas is listed among the Kyoto Protocol greenhouse gases and is a major contributor to global warming?
Water vapor from oceans
Nitrogen gas from the air
Carbon dioxide from combustion
Ozone from the stratosphere
A factory plans to cut its greenhouse impact. Based on typical sources, which action most directly reduces emissions other than CO2?
Improve industrial process leak controls
Switch office lighting to LEDs
Use fewer fossil fuels for power
Plant trees near parking areas
Which statement best describes the UK’s current situation regarding low‑carbon hydrogen and the 2050 target?
Technology for hydrogen not yet available
Large‑scale low‑carbon hydrogen already operating
Net zero aim exists without legal obligation
Legal duty exists for net zero by 2050
In the electrolysis schematic, which electrode produces hydrogen gas bubbles in water?
Central neutral electrode
External collector plate
Anode with positive terminal
Cathode with negative terminal
Which method can yield low‑carbon hydrogen from methane when paired with carbon capture, utilization, and storage?
Autothermal reforming without CCUS
Coal gasification with no capture
Steam methane reforming with CCUS
Partial oxidation without capture
A city aims to cut UK greenhouse emissions by replacing fossil fuels with hydrogen. Which sector swap could deliver the largest impact based on the listed percentages?
Heavy industry at fourteen percent
Transportation at fourteen percent
Residential heating at twenty‑seven percent
Power generation at sixteen percent
Which milestone most directly aligns UK targets with the Paris Agreement by committing to net‑zero emissions by 2050?
Climate Change Act 2008: 80% reduction by 2050
Ten Point Plan launched in November 2020
UK Hydrogen Strategy published August 2021
June 2019 amendment: 100% reduction by 2050
Which combustion by-product is produced when hydrogen burns in pure oxygen?
Nitrogen oxides and haze
Carbon dioxide and soot
Water and heat
Sulfur oxides and ash
Why can burning hydrogen in air create nitrogen oxides (NOx)?
Methane impurities supply nitrogen directly
Water vapor catalyzes nitrogen formation
Hydrogen contains bound nitrogen atoms
Air adds nitrogen that can oxidize
A pipeline system must transport hydrogen at high pressure. Which material risk should engineers prioritize mitigating?
Metal embrittlement
Calorific value increase
Electrolysis efficiency loss
Catalyst poisoning
