As the H bond of the butanol is more effective and strong than Van der Waals forces of the ether the surface tension in alcohol is more intensive.
So the correct answer is e)
Answer:
he universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
Ocean tides are caused by the uneven gravitational pulls of the Moon and Sun on different parts of Earth.
Explanation:
These statements are objective truths or rational speculations adequately supported by evidence. The others are from unreliable sources, and are based on opinion.
the answer is A!
Option A. Smaller atoms and stronger bonds.
Smaller the size of the atoms, less will be the distance between positive charge nucleus of one atom and electrons (negative charge) of other atom. This results in strong interaction between them.
Also, stronger bonds are difficult to break, making the minerals harder. Thus, small atoms and strong bonds in minerals makes then harder than the minerals with weak bonds or larger atoms.
A shadow forms
It can’t be reflected unless the object is glass
Answer:
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