【Daily Question】1.26 Metal electrochemical corrosion leads to hydrogen damage (3 wealth points for a reply; +3 to +8 wealth points for a correct answer)

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Question content: Fill in the blank: The main reason for hydrogen damage caused by metal electrochemical corrosion is the ( ) reaction. Hydrogen evolution – Requirements and tips for answering questions: Requirement: Answer carefully. Tip: If you don’t understand something, use Baidu. Note: We will close this thread after 24 hours, and at that time we will announce the best response (the most helpful one), along with the answer and explanation. Other details: Recruitment for moderators & technicians in the [Mechanical Zone] – applications and referrals are welcome. 【Valid indefinitely】【If you’re interested, come ahead!】 】(Click to enter) 【Mechanical Zone】Comprehensive guide to preventing equipment freezing over during winter 【Mechanical Zone】Call for collection of essential knowledge 【Seeking manufacturer sponsors】(Ongoing campaign) Rewards for recommending valuable content; the “Active Users and Weekly Stars” competition in the Mechanical Zone has begun. Wealth, metals, corrosion, zones, machinery