Acids

(a) have sour taste
(b) are corrosive in nature
(c) are soluble in water
(d) have all of these properties

Q. The property which is common between vinegar and curd is that they:
(a) have sweet taste
(b) have bitter taste
(c) are tasteless
(d) have sour taste

Q.

We know that the items which taste sour are acidic ,so why lemon juice don't harm having sour taste?

Q.

The property which is not shown by acids is :

(a) they have a sour taste

(b) they feel soapy

(c) they turn litmus red

(d) their pH is less than seven

Q. Why acids are sour in taste and bases are bitter in taste?

Q. Fill in the blanks in the following sentences:
(a) Acids have a ..........................taste and they turn..........................litmus to..........................
(b) Substances do not show their acidic properties without.......................... .
(c) Acids produce.......................... ions on dissolving in water.
(d) Those substances whose smell (or odour) changes in acidic or basic solution are called .......................... indicators.
(e) Onion and vanilla extract are..........................indicators.