Answer:
The National Institute of Virology, Pune is an Indian virology research institute, and one of the translational science cells part of Indian Council of Medical Research (ICMR). It was previously known as 'Virus Research Center' and was founded in collaboration with the Rockefeller Foundation.
Try using the elimination method
Salt and sugar are soluble so we are left with being at and quartz.
Vinegar is a liquid so I will assume it will dissolve. We are left with quartz
