The chemist carefully measured the hydrogen sulfites before adding them to the reaction vessel.

Many drivers are hopeful that more hydrogen stations will be built along the highway network.

During the experiment, hydrogen electrodes corroded faster than expected under high current.

Many cities are investing in hydrogen cars to curb emissions.

Many cities are investing in hydrogen vehicles to reduce urban pollution.

The museum's new exhibit included decommissioned hydrogen bombs, displayed with extensive historical context.

The lab technician carefully measured a gram of potassium hydrogen carbonate for the buffer solution.

Researchers tested several hydrogen gas electrodes to determine their corrosion resistance in acidic media.

The chemist carefully measured sodium hydrogen carbonate before adding it to the reaction vessel.

The laboratory prepared a buffer solution using sodium hydrogen phosphate to maintain the pH at 7.4.