Предмет: Химия, автор: nikitae333

що таке їдкий натрій, каустична сода та їдкий калій?​

Ответы

Автор ответа: gostmane8251
0

Ответ:

їдкий натрій- це теж саме що й NaOH( натрій гідроксид), Також натрій гідроксид називають Каустичною содою,

так що Їдкий натрій=Каустична Сода=NaOH

Їдкий калій теж саме, що й KOH(калій гідроксид)

Їдкий калій=KOH.

Виходить що ці всі назви, це назви 2 лугів, перші 2 назви NaOH гідроксиду натрію,а третя назва KOH гідроксиду калію

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Математика, автор: kolla149111
решите пожалуйста с действиями ​
1 год назад
Предмет: Геометрия, автор: ogabektoshpulatov108
В трапеции ABCD AB и CD основания равны соответственно 15 и 4. если биссектриса угла А перпендикулярной стороне BC то найдите длину стороны AD?​
1 год назад
Предмет: Физика, автор: 101aptem102
СРОЧНО!!!!!!100БАЛЛОВ!!!!!!!C горы высотой 20м бросили горизонтально камень с начальной скоростью 6м/с Ускорение свободного падения 10м/c2.

Через какое время камень упадет на землю? Ответ выразите в секундах, округлив до целых. Чему равна дальность полёта камня? Ответ выразите в метрах, округлив до целых
1 год назад
Предмет: Английский язык, автор: luna3323
СРОЧНО, 20 БАЛЛОВ
Чтение
Прочитайте тексты и установите соответствие между текстами и из заголовками: к каждому тексту, обозначенному буквами A-G, подберите соответствующий заголовок, обозначенный цифрами 1-8. Используйте каждую цифру только один раз. В задании есть один лишний заголовок.



1. A greater choice

2. At any hour

3. Make sure if an online site is trustworthy

4. The main advantage

5. Online shoppers, who are they?

6. The methods are the same

7. The only inconvenience

8. Keep your shopping under control

The Internet has now become the shopping centre of America. An overwhelming 76% of online users have bought at least one product or service. Online shoppers are like a snapshot of a busy shopping centre on a Saturday afternoon. They are your husband, your wife, your girlfriend, your brother, your children, and even your grandparents. They are more or less half man, half woman – 51% to 49%.

Before the Internet, you would go to the shopping centre or buy through a mail order catalogue. With the evolution of online shopping, buying items is as easy as the click of a mouse. Both online and traditional shops have modern techniques which are used to make you to buy products. There’s a science behind what makes people spend money. Just like traditional shops can make you buy as many items as possible, online shops can, too: the people online are not different from the people who shop in real shops; they’re one and the same person.

Online shopping has its problems and risks, but it is still very popular. It is true that you definitely have to do your best to avoid these risks. However, the Internet is much better than traditional shopping. Unlike traditional stores, which often have times they’re closed, online shopping is open 24 hours a day, seven days a week from your computer or any mobile device. You can shop in the middle of the night, early in the morning, or any time is that is good for you. Online shops never close.

With the help of online shops, people can buy things from all over the world and at relatively cheaper prices with equally good quality. Online shopping is great, and it is no more risky than dealing with a physical shop. An online site is no more dangerous than using a credit card in a real shop. But the problem is not that not all online shops can be trusted. There will always be crime and always be criminals. So you should learn more before you start to shop online.

Shopping online is not without its problems or risks, but it suits perfectly those who do not wish to travel to a real store. Shopping online not only gives customers more choices, better prices, and product reviews, it gives shoppers a way to avoid long queues during busy shopping times, and it saves gas for shoppers. Also, the weather never affects the process of online shopping. The most trouble you’ll have with shopping online is going to the post office.

Online shopping is, for many reasons, much better than traditional shopping. First of all, there is a much broader selection of goods which you can buy. With the help of online shops, people can buy things from every corner of the world. More than that, there are many products that can be bought exclusively online. Shopping online people can buy things they cannot otherwise get. It is the perfect place to find everything you want to buy.

Before you go online, decide what exactly you are going to buy. Make a list of items you need and then keep to it. Avoid clicking on other items or recommendations to limit the wish to buy more than you have planned. Limit your shopping time so that you are focused only on what you are looking for. Set an online shopping budget and don’t spend more. Don’t shop when you are stressed. You might buy items you don’t really want or need.
6 лет назад
Предмет: Геометрия, автор: kdfkrgic23
Помогите пожалуйста!
Хорды АВ и СD пересекаются в точке Е. Найдите длину отрезка АЕ, если он
в 2 раза больше отрезка ВЕ, СЕ=8, DЕ=9.
6 лет назад