Chemistry Quiz 9
1 / 50
The solution remaining after the formation of crystals is called ___________________?
2 / 50
Which of the following substance do not show continuous solubility curve ?
3 / 50
Which one of the following pairs shown diagonal relationship in the periodic table ?
4 / 50
Phonon is Quantum of___________?
5 / 50
Steam causes more sever burn than the boiling water because it possesses _________________?
6 / 50
What is the abundant form of matter on earth ?
7 / 50
Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?
8 / 50
Which one is true about isotope ?
9 / 50
The process of fermentation involves all the enzymes except__________________?
10 / 50
1 a.m.u =__________________?
11 / 50
What is chemical symbol for Tungsten?
12 / 50
In whole Periodic Table which element Is Most Reducing Agent ?
13 / 50
The average salinity of sea water is________?
14 / 50
The most electronegative element among the following is_________________?
15 / 50
The relationship between energy of a photon of light and its frequency is given by________________?
16 / 50
Which one of the following gives white precipitate with aqueous solution of BaCl2?
17 / 50
Triglycerides are easily hydrolyzed by enzymes called_________________?
18 / 50
Which one is least ionic in nature and decompose on heating ?
19 / 50
Plasma is used in_________________?
20 / 50
The formula of palmitic acid_________________?
21 / 50
Which of the following set has all species isoelectronic__________________?
22 / 50
Which is the paramagnetic oxide of chlorine ?
23 / 50
Which one of the following alcohol has greater boiling point___________________?
24 / 50
All proteins yield ___________ upon complete hydrolysis?
25 / 50
Different components of a mixture have different Rf values due to________________?
26 / 50
Which of the following is typical transition metal ?
27 / 50
When common salt is dissolved in water ?
28 / 50
Silicon differ from silica by a group of__________________?
29 / 50
Molecular orbital which have higher energy than atomic orbitals is called___________________?
30 / 50
Which one is Chloroform_________________?
31 / 50
Which of the following does not contain phosphorus ?
32 / 50
Poisonous gas present in the exhaust fumes of a jet plane is__________?
33 / 50
_______________ can expel proteons from paraffins ?
34 / 50
Which of the following is the strongest acid ?
35 / 50
The species which donate two electron pairs in a coordination compound is called__________________?
36 / 50
What catalyst is employed when benzene is prepared from acetylene at 70?C?
37 / 50
The number of formula units in 29.25g of common salt_________________?
38 / 50
When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
39 / 50
Industrial materials thermal power stations are coated with__________________?
40 / 50
Liquid gets the shape of the container when it is poured into it. Which one of the following reasons justifies it ?
41 / 50
Which of the following is not a secondary pollutant_________________?
42 / 50
Boric acid cannot be used__________________?
43 / 50
Lipids are soluble in___________________?
44 / 50
In how many forms do matter exists ?
45 / 50
Which of the elements do not fall in stair case of the modern periodic table__________________?
46 / 50
Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?
47 / 50
By which method the molecular mass of benzene was determined as 78.108 ?
48 / 50
Which is artificial manmade fiber?
49 / 50
Which one is not a nucleophile ?
50 / 50
Elements which emit natural radioactivity are known as __________ ?
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