You were tasked to check if the liquid sample you have is substance or a mixture. which among these tests is the best way to do so?
i. color comparison
ii. taste comparison
iii. boiling point test
iv. melting point test
a. 1,2,3,4
b. 1,2,3 only
c.1,2,4 only
d.1 and 3 only

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.