Daat white hi kyu होते है? | #factstarshorts #youtubeshorts #shorts #ytshorts

While Balbir had his back turned, a dog ran into his butcher shop, snatched a piece of meat of the counter and ran out. Balbir was mad when he realised what had happened. He asked three other shopkeepers, who had seen the dog, to describe it. The shopkeepers really didn't want to help Balbir. So each of them made a statement which contained one truth and one lie Shopkeeper Number 1 said "The dog had black hair and a long tail". Shopkeeper Number 2 said "The dog had a short tail and wore a collar." Shopkeeper Number 3 said "The dog had white hair and no collar." Based on the above statements, which of the following could be a correct descriptions ?

Three compound X, Y and Z were taken into three different laboratory vessels annd they are carried out by a chemist in his car. The car caught fire due to short circuit and the chemist came out of the car and noticed following observations: Q. Compound X changes into white substnace along with liberation of neutral oxide and then white substnace decomposed into three products among which two are acidic oxides. among these oxides non-polar oxide can undergo polar cyclic polymer on cooling. the compound X will be: