Answer:
Solution A is a Weak Alkali, Solution B is a strong Acid.
Explanation:
At pH 10, the colour is blue, therefore it's a weak alkali.
At pH 1, the colour is red, therefore it's a strong Acid.
the element chlorine is represented by the symbol Cl
Answer:
This is true. A hot glass does look the same as a cold glass. Glass won't change its look if it's below 648 degrees Celsius.
Answer:
CaCl2=1
KCl=3
Explanation:
CaCl2 has a very high heat of solution hence it is best at melting ice. It is better than all the other salts mentioned. Its dissolution in water produces a lot of heat which melts the ice.
B. Troposphere, stratosphere, mesosphere, thermosphere