pH value less than 7 indicates that the solution is β
Anonymous Quiz
55%
Acidic
30%
Basic
15%
Neutral
π10π7β€2π1
At what temperature is gypsum heated to form Plaster of Paris?
Anonymous Quiz
20%
35
24%
79
17%
54
39%
100
π€8π6π₯4β€2
What is the percentage of the oxygen in the expired air when a person is resting?
Anonymous Quiz
26%
12
34%
16
20%
24
20%
32
π11π5β€3π€3π€©3
Work of 14 J is done to move 2 C charge between two points on a conducting wire. What is the potential difference between the two points?
Anonymous Quiz
39%
28v
37%
14v
24%
7v
π5π’5β€4
A cooler of 1500 W, 200 volt and a fan of 500 W, 200 volt are to be used from a household supply. The rating of fuse to be used is
Anonymous Quiz
29%
10a
36%
20a
24%
30a
11%
40a
π14π’6β€5π₯2π1
The most abundant metal in the earthβs crust is
Anonymous Quiz
47%
Iron
36%
Aluminium
10%
Calcium
8%
None
β€8π5π€2π€©2
The poorest conductor of heat among metals is
Anonymous Quiz
46%
Lead
30%
Mercury
18%
Sodium
6%
Iron
π6π’3β€2
The highest coordinating centre in the human body is
Anonymous Quiz
41%
Spinal cord
25%
Heart
10%
Kidney
24%
Brain
π’11π7π3β€2π₯°2π1π1
Which part of nervous system controls the re¬flex activities of the body
Anonymous Quiz
23%
Brain
43%
Spinal cord
26%
Cerebellum
8%
Medulla
π9β€5π’3π₯1
Which of the following acts as both endocrine and exocrine gland?
Anonymous Quiz
44%
Pancreas
34%
Throyid
17%
Liver
5%
None
π10β€3π€3π2