onelinerinfo@gmail.com
Home | About Us | Contact Us
onelinerinfo@gmail.comHome | About Us | Contact Us
|
Q 1.
Our body works within the PH range of?
Ans.
7 to 7.8
|
|
Q 2.
What is the nature of Metallic oxide?
Ans.
Basic.
|
|
Q 3.
PH value of lemon juice?
Ans.
2.2.
|
|
Q 4.
PH value of acid rain?
Ans.
Less than 5.6.
|
|
Q 5.
What is the taste of bases?
Ans.
Bitter.
|
|
Q 6.
Which division of plants has lichens belongs to?
Ans.
Thallophyta.
|
|
Q 7.
Bases changes the colour of red litmus to?
Ans.
Blue.
|
|
Q 8.
Name the acid present in tamarind?
Ans.
Tartaric acid.
|
|
Q 9.
Name the acid present in orange?
Ans.
Citric acid.
|
|
Q 10.
PH value of basic solution?
Ans.
7 to 14.
|
|
Q 11.
PH value of basic solution?
Ans.
7 to 14.
|
|
Q 12.
What is blue vitiligo?
Ans.
Copper sulphate pentahydrate.
|
|
Q 13.
Name the acid found in curd?
Ans.
Lactic acid.
|
|
Q 14.
Name the method that is used to make drinking water free from germs?
Ans.
Bleaching powder or chlorine.
|
|
Q 15.
Name the gas that is released from soda acid fire extinguisher?
Ans.
Carbon dioxide.
|
|
Q 16.
What is the PH value when solution turns red litmus blue?
Ans.
10.
|
|
Q 17.
What is the PH value when solution turns red litmus blue?
Ans.
10.
|
|
Q 18.
Range of PH scale lies between?
Ans.
0 to 14.
|
|
Q 19.
Chemical formulae of sodium hydroxide?
Ans.
NaoH.
|
|
Q 20.
Name the evolved gas, when an acid reacts with metal?
Ans.
Hydrogen.
|