Examples of Acids,Bases

Q.

Name the chemical substance responsible for bee sting.

Q. What is acid and bases according to Arrhenius concept ?

Q. What is acid and bases according to Arrhenius concept ?

Q. The type of medicine used to treat indigestion is a/an __________.

1. antihistamine
2. sulpha drug
3. antacid
4. antibiotic

Q. Match the following acids with their usage.

1. Cleaning metals
2. Vinegar
3. Battery
4. Yoghurt

Q.

Aarav got stung by a honey bee and was writhing in pain. Watching this, his brother Arjun rushed to the bathroom, produced some toothpaste, and rubbed it profusely over the sting.

1. Which chemical did the honey bee inject into Aarav while stinging him?
2. What reaction will happen upon the application of toothpaste?
3. What value did Arjun exhibit in his reaction to his brother’s agony?

Q. Based on the data given in the table below, identify substances A and B.

Substance A	Substance B
Sour in taste	Bitter in taste
obtained from minerals	soapy to touch
water soluble	water soluble

Q.

Nitric acid belongs to the category of:

1. strong base
2. weak acid
3. strong acid
4. weak base

Q.

Nitric acid belongs to the category of:

1. strong acid
2. weak base
3. weak acid
4. strong base

Q. Complete the following reaction:
$H_{2}O\left(l\right)+$$\rightleftharpoons H_3{O}^{+}+$

1. $H_{2}O$(l)
2. $O{H}^{-}$(aq)
3. $O_2$(g)
4. $H_2$(g)

Q. Write any four uses of acids.