Chemistry Queries


1. Which element has the highest melting point?

Tungsten with chemical symbol ‘W’ and atomic number 74 has the highest melting point of 3,422 degree Celsius.

 

2. What happens when you mix KMnO4 with oleic acid?

Oleic acid is converted into dihydroxystearic acid when oxidized in a dilute aqueous solution of KMnO4 (Potassium Permangante).

 

3.What is the difference between N3H and NH3?

NH3NH3 (Ammoniais a compound in which three Hydrogen are attached with the Nitrogen atom and the molecule has a tetrahedral shape with whereas N3HN3H(Hydrazoic acidis a compound in which three Nitrogen atoms are linearly arranged and the Hydrogen atom is attached to one of the terminal Nitrogen atom.

 
4.What is the color of bromine diethyl ether?

Bromine diethly ether has a color of reddish brown.

 
5.How does calcium hydroxide react with water?

Calcium hydroxide is soluble in water and forms a solution called lime water.

 

Advertisements

LOVE, actually is chemicals racing internally


Scientists say there is increase in levels of hormones neutrophins and dopamine when cupid strikes. When couples fall in love, outwardly they experience dizziness, flushed face, sweaty palms and most prominent of all a wildly beating heart. But, internally, the feeling of love is due to chemicals racing around the brain and body. The feelings, researchers found are due to dopaminenorepinephrine and phenylethylamine that human beings release. Read more 

 

PlastIndia 2018, a colossal international exhibition, conference and convention on plastics organized by PlastIndia Foundation was inaugurated by Gujarat chief minister Vijay Rupani. The six-day conference, held on 7 to 12 February, in Ahmedabad, India, created a common platform for end users, manufacturers and global plastic industry thought leaders from across the nation. Read more

 

Honeywell (HON) introduces a cloud-based simulation tool that uses a combination of augmented reality (AR) and virtual reality (VR) to train plant personnel on critical industrial work activities. With as much as 50 percent of industrial plant personnel due to retire within the next five years, the Honeywell Connected Plant Skills Insight Immersive Competency is designed to bring new industrial workers up to speed quickly by enhancing training and delivering it in new and contemporary ways. Read more

 

A team of chemical engineers at The University of Texas at Austin has developed a new, cost-effective method for synthetically producing a bio-renewable platform chemical called triacetic acid lactone (TAL). This chemical can be used to produce innovative new drugs and sustainable plastics at an industrial scale. The study is described in the journal Proceedings of the National Academy of SciencesRead more