Shubham Jha - Class 10
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π9
A non-metal used to preserve food material is
Anonymous Quiz
19%
Phosphorous
15%
Sulphur
60%
Nitrogen
5%
Florine
π₯13π8π5π₯°1
Aqua regia is a freshly prepared mixture of concentrated HNO3 and concentrated HCl in the ratio of:
Anonymous Quiz
58%
1:3
27%
2:3
9%
3:3
5%
None
π12π9π4π2
Give the ratio in which hydrogen and oxygen are present in water by volume.
Anonymous Quiz
60%
1:2
18%
2:6
8%
2:7
14%
None
π20π9π3π±3π₯2π1
Select the oxidising agent for the following reaction:
H2S + I2 > 2HI + S
H2S + I2 > 2HI + S
Anonymous Quiz
23%
I2
51%
H2s
8%
2hi
17%
S
π€22π19π₯3π3π2π₯°1π1
A substance added to food containing fats and oils is called:
Anonymous Quiz
21%
Oxidant
36%
Rancidity
37%
Antioxidant
5%
None
π₯23π14π€©7π5π4
Roots of the plants absorb water from the soil through the process of:
Anonymous Quiz
12%
Diffusion
58%
Transportation
25%
Osmosis
5%
None
π€10π8π₯4π2π2β€1π1
The site of photosynthesis in the cells of a leaf is
Anonymous Quiz
65%
Chloroplast
18%
Mitochondria
15%
Plasma membrane
2%
None
π7π€5π₯2π₯°2π1π1
Which region of the alimentary canal absorbs the digested food?
Anonymous Quiz
20%
Stomach
53%
Small intestine
19%
Large intestine
9%
Liver
π13π6π2π1
When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
Anonymous Quiz
18%
Fat
20%
Sugar
51%
Starch
11%
Glucose
π14π3π2π₯1π₯°1