Sister Nivedita is going to marry Akhilesh son of Mr and Mrs Asant ocean and Italy father Minister care coronavirus explained to the wedding at Hotel Kunal New Delhi on 25th may at 8 p. m. write a formal invitation in 50 words on behalf of Mr and Mrs kase vadvayche inviting and gas to the auspicious occasion give the details 250 words

We cordially invite you to our son's wedding on 25th May, at Hotel Kunal, New Delhi.  

Explanation:

On the auspicious day of 25th May, our son Mr. Akhilesh is going to marry Sister Nivedita.

So, we cordially invites you and your family to attend this grand wedding of Akhilesh and Nivedita and give your blessings to the new couple when they are going to start their new journey of life.

We will be immensely happy to have you and your family as our guest for the wedding ceremony that will be held on the 25th of May on Hotel Kunal, New Delhi. The function starts from 8 p.m.  

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question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals