Question

Q.2 Name the following: 1) Useful substances obtained from crude oil. Substance used for flash photography.​

Answer 1

Dear friend,

Here's your answer...

Petroleum, Kerosene and Diesel are the substances obtained from crude oil when crude oil is fractionally distilled.

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And An alternative to magnesium ribbon was flash powder, a mixture of magnesium powder and potassium chlorate, was introduced by its German inventors Adolf Miethe and Johannes Gaedicke in 1887

Answer 2

Answer:

many useful substances are obtained from crude oil like coal, coke, petrol, diesel, kerosene oil etc.

Explanation:

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