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Water electrolysis experimental device 26002 hydrogen production device chemistr

Description: Water electrolysis experimental device 26002 hydrogen production device chemistr Item Description Let students understand the process of producing hydrogen and oxygen after water is energized, so as to verify that water is composed of hydrogen and oxygen. This instrument has a reasonable structure and is convenient to use. 1. Structure: Plastic container electrode gas nozzle and other components. 2. How to use: Pour water into the plastic container to the 0 mark position and connect to the DC 12V power supply. There are bubbles overflowing on both sides of the container. The positive pole of the power supply is (oxygen) and the negative pole is (hydrogen). After a few minutes, the ratio of the gas produced by the positive electrode to the gas produced by the negative electrode is 1:2 (2120=power on=2H2↑+02↑). Conclusion: In order to verify the hydrogen and oxygen, students can follow the teacher’s guidance according to the characteristics of hydrogen and oxygen (oxygen can be used to reignite wood sticks with sparks, and hydrogen can be burned. (If there is too little hydrogen, it may only There is a "flutter" sound, it will not burn). It is concluded that water is composed of two elements, hydrogen and oxygen. Three, matters needing attention In order to enhance the conductivity of water, a small amount of dilute sulfuric acid or sodium hydroxide solution can be added to the water, which can speed up the production of hydrogen and oxygen. After use, the container should be cleaned and stored in the cool. Package included 1pcs Payment 1. We accept payment via eBay Managed Payment only. 2. eCHECK from PayPal will only be processed once the payment clears. 3. Payment must be made within 4 days of auction closing. 4. Total amount due includes the final auction price plus Shipping & Handling. 5. Shipping & handling will be determined based upon the ship to address. Shipping We will ship your order within 1-2 business day asap of receiving your cleared payment. We Will pack your order carefully before shipping,your order will be shipped by airmail. Customs will random inspection some parcel,that may make your order take some more days for delivery. So,Ship to US 1 to 3 Weeks ,to UK,EU,Europe 2 to 4 Weeks. and to other country 3 to 6 Weeks,please be patience. Shipping time is only estimated and not guaranteed. We do not bear any customs duties and import charges,These charges are the buyer's responsibility. If you do not receive your item on time, please contact us immediately for further assistance. Returns 1. We provide 30 days free replacement ,30 days money back on non-defective, undamaged, unused and resalable products. Product is not eligible for refund after the 30-day refund period has expired. 2,Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 3. For all returned products, Please contact us for the returning address. 4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item. About Us We sincerely do business with you. If you satisfy with our service and products, please leave us a good feedback. Your great comments will lead us to get more potential customers, and make us more confident to develop business and serve you better.But if you don't satisfy with the item, or you have any concern about our transaction, please do first contact us, we will response you in 12 hours, and do our best to help you solve any problems. We are a store, mainly run Business & Industrial apparatus&part accessory,We work with a good quality OEM supplier and factory. Help you and us save money greatly. I have other models not listed, if there're any you needed, please message us for consulting, we'll give you more discount. Shopping confidently with us, customer satisfaction is a top priority for us.

Price: 23.75 USD

Location: shenzhen

End Time: 2024-12-24T06:08:43.000Z

Shipping Cost: 5 USD

Product Images

Water electrolysis experimental device 26002 hydrogen production device chemistrWater electrolysis experimental device 26002 hydrogen production device chemistrWater electrolysis experimental device 26002 hydrogen production device chemistr

Item Specifics

Restocking Fee: No

Return shipping will be paid by: Buyer

All returns accepted: Returns Accepted

Item must be returned within: 60 Days

Refund will be given as: Money back or replacement (buyer's choice)

Brand: Unbranded

Modèle: 26002

MPN: Does Not Apply

Type: Angle Visex

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