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Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 5
1.
The salt formed by the partial neutralization of a polyhydroxy base is known as?
a) acidic salt
b) basic salt
c) soda ash
d) normal salt
2.
Which one of the following is Not a salt?
a) NaCl
b) CaCl2
c) KCl
d) HCl
3.
Which one of the following is known as Milk of magnesia?
a) Na(OH)
2
b) Mg(OH)
2
c) Ca(OH)
2
d) NaNO
3
4.
Which one of the following is used to produce a green colour in firework?
a) Ca(NO
3
)
2
b) Na(NO
3
)
2
c) Ba(NO
3
)
2
d) Mg(NO
3
)
2
5.
By the action of acids, the color of red litmus turns?
a) no effect
b) yellow
c) red
d) blue
6.
Which one of the following is produced from the reaction of H
2
CO
3
with NaOH?
a) NaH
2
CO
3
b) NaNO
c) Na
2
CO
3
d) none of these
7.
Which one of the following indicators is in acidic range?
a) methyl red
b) alizarin yellow R
c) thymol blue
d) phenolphthalein
8.
Solutions with pH less than 7 are?
a) neutral
b) acidic
c) alkaline
d) basic
9.
Very high levels of acids are secreted by stomach results in indigestion. It is known as?
a) stomach basicity
b) stomach acidity
c) stomach alkalinity
d) none of these
10.
The pH of Distilled water is?
a) 8
b) 9
c) 7
d) 6
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