1.Алкиндердің қарапайым өкілі.формуласы 2. Қандай гибридтену арқылы алкиндердің құрылысы түсіндіріледі?
3.Ацетиленнің молекуласында қанша ожәне байланысы бар?
4.Ацетиленнің молекуласындағы байланыс ұзындығы этиленмен салыстырғанда неге қысқа?
5. –ан жұрнағының нені білдіретінін атап беріңіз?
6.Алкиндердің изомериясы неге байланысты?​

The elephant occupies a very large place in the culture of India, and this is due not only to the fact that it is the largest animal, but also to its intellectual qualities and character traits, and an excellent memory of elephants has become a proverb. Elephant as a symbol For India, an elephant is primarily a symbol of wisdom of kindness, it is a very auspicious symbol, therefore, images of elephants can also be found as an element of an organ in temples, in house decorations, a souvenir loved by tourists - a sandalwood elephant also brings good luck. And of course elephants are depicted on clothes, the elephant motif is one of the favorite ornaments of Indians, you can see it both on printed fabrics and in embroidery

ln Germany, virtually all dogs are trained, in the UK virtually all dogs walk off-leash at least part of the time, in the US most dogs spend most of their lives in fenced yards and on short leashes and many dogs are entirely untrained.Among the most dog-loving nations are South Korea , and the Philippines . On the other hand, in Indonesia, Switzerland, Austria, and Turkey there are three or four times as many pet cats as dogs.Impressively, the Netherlands is not contributing to this statistic. It has become the first country in the world without any stray dogs.According to the data from the American Pet Products Association, the USA is the country with the most dogs