2. The effect of adding hydrochloric acid is to reduce all trivalent iron ions to divalent iron ions, which is not easy to affect the test results. Sodium hydroxide, chemical formula NaOH, commonly known as caustic soda, caustic soda and caustic soda, is a strongly corrosive alkali. Precipitation of calcium hydroxide can be formed by fusion with calcium and magnesium.
"Alibaba" steel pipe has good supply, sufficient supply and special purchase.
Steel Pipe-Go to Alibaba, buy high-quality and various pipes, easily find the supply of Alibaba, gather massive commercial information and provide convenient online transactions.
Hangzhou Ali Mama Software Service Co., Ltd.
Raptors crossing the river-a brand-new simulated presidential hand tour-Android genuine
The brand-new modern city simulates the operation of mobile games, runs a city, from district head to president, dominates the world and experiences the peak of life!
Beijing jule network technology co., ltd. advertisement
More experts
What is the effect of adding hydrochloric acid and sodium hydroxide to determine calcium and magnesium content?
Expert 1 online Q&A to 1.
Reply within 5 minutes |10,000 professional interviewees
Ask questions at once
The most beautiful fireworks asked an educational question and made a favorable comment.
Lan Qiuwangzi consulted an education question and made a good comment.
Garlic consulted an education question and made a favorable comment.
188 * * * 8493 consulted an education question, which was well received.
Basketball big picture consulted an education question and made a good comment.
The animal park consulted an educational question and gave it a favorable comment.
AKA consulted an education question and gave it a favorable comment.
Recommend more exciting content for you-
Will reporting mahjong players reveal their identities?
Video answer
Lawyer Zhang Yiyue
The answer? 2022-03-26
275 likes and 6 comments
Which subsidiary stores are good? -Taobao sells good things and many brands, so you can buy them with confidence!
Taobao resale advertisement
On-the-job Postgraduates-Online Learning-Obtaining Master's Degree Certificate from International Famous Schools
Recommendation of information related to postgraduate entrance examination
Shanghai Zhixue Technology Co., Ltd. Advertisement