Class 10th science notes
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The far point of a myopic eye is?
Anonymous Quiz
36%
Infinity
26%
Less than infinity
23%
Greater than 25 cm
15%
25 cm
51🕊1
The optic nerve carries signals from the eye to the?
Anonymous Quiz
85%
Brain
5%
Heart
2%
Lungs
9%
Spinal cord
6
Acids turn blue litmus paper to?
Anonymous Quiz
90%
Red
8%
Blue
1%
Green
1%
Colorless
3🥰3
The pH value of a neutral solution is?
Anonymous Quiz
11%
0
82%
7
4%
14
3%
Less than 7
32
Which of the following is a strong acid?
Anonymous Quiz
10%
Acetic acid
84%
Hydrochloric acid
4%
Citric acid
2%
Lactic acid
3🏆1
Bases turn red litmus paper to?
Anonymous Quiz
7%
Red
90%
Blue
2%
Green
1%
Colorless
3🕊2🎉1
The chemical formula of baking soda is?
Anonymous Quiz
8%
NaCl
72%
NaHCO3
7%
NaOH
13%
Na2CO3
5🥰1🏆1
Plaster of Paris is?
Anonymous Quiz
18%
CaSO4.2H2O
76%
CaSO4.1/2H2O
1%
CaO
5%
CaCO3
61
The reaction between acid and base is called?
Anonymous Quiz
87%
Neutralization
8%
Oxidation
3%
Reduction
3%
Precipitation
4
pH scale ranges from?
Anonymous Quiz
10%
0 to 7
79%
0 to 14
9%
7 to 14
2%
1 to 10
4🥰2🏆1
Washing soda is?
Anonymous Quiz
26%
NaHCO3
64%
Na2CO3.10H2O
7%
NaOH
2%
NaCl
1🏆1
4🏆2
3👍1🥰1🏆1
2👍2
🏆2🎉1
The formula of sodium hydroxide is?
Anonymous Quiz
9%
NaCl
81%
NaOH
4%
Na2CO3
6%
NaHCO3
2🕊1
In neutralization reaction, the products are?
Anonymous Quiz
70%
Salt and water
24%
Acid and base
3%
Gas and water
2%
Precipitate and gas
3🏆2
Antacids are used to treat?
Anonymous Quiz
71%
Acidity
14%
Basicity
9%
Infection
6%
Pain
4🏆3🕊1
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3🥰2🐳1
Kitne sahi huee ??

Sach sach batanaa
12