Chemistry Quiz 16
1 / 50
Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing___________________?
2 / 50
Which of the following are the conditions of colligative properties_______________?
3 / 50
Which one of the following is not a periodic property ?
4 / 50
Treatment of sucrose with conc. HNO3 gives__________?
5 / 50
Only sigma bonds are present in__________________?
6 / 50
Molten NaCl conducts electricity due to the presence of_______________?
7 / 50
Charge of electron was measured by__________________?
8 / 50
What is the mass percent of silver in silver notrate, AgNO3?
9 / 50
Which one of the following element has highest oxidation state in its compounds ?
10 / 50
The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?
11 / 50
Each catalyst has_________________?
12 / 50
Arsenic oxides are removed by passing through_________________?
13 / 50
The discovery of neutron became very late because _______ ?
14 / 50
Formaldehyde and lactose are combined to produce throat lozenges named as__________________?
15 / 50
What is clinker ?
16 / 50
Which of the following element doesnot show allotropy_________________?
17 / 50
If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?
18 / 50
For the generation of biogas, the materials commonly used are__________?
19 / 50
Mixtures which distill over without change in composition called___________________?
20 / 50
The IUPAC name of HCONH2 is___________?
21 / 50
Which of the solid does not contain covalent bond________________?
22 / 50
Aldehyde and ketone have same general formula for homologous series_________________?
23 / 50
NaOH is named as caustic soda because________________?
24 / 50
Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?
25 / 50
The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?
26 / 50
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
27 / 50
The element of group VIA which is a non-metal is________________?
28 / 50
The boiling point increases down the zero group element due to_________________?
29 / 50
Organic compounds are soluble in ____________________?
30 / 50
The process of aluminium extraction is called__________________?
31 / 50
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?
32 / 50
Ethanol and methanol can be distinguished by a__________________?
33 / 50
Elements in the same vertical group of the periodic table have same_______________?
34 / 50
Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?
35 / 50
For the measurement of standard electrode potential Zn is dipped in________________?
36 / 50
Cement is a mixture of________________?
37 / 50
The valency of carbon Atom is __________ ?
38 / 50
Which substance can be used for disinfecting water ?
39 / 50
Shielding effect across the period_________________?
40 / 50
In a period electronegativity from left to right_________________?
41 / 50
Which metal is used as a reducing agent in Smelting______?
42 / 50
Which of the following is not a fatty acid ?
43 / 50
In a closed vessel, a gas is heated from 300K to 600 K. The kinetic energy becomes__________?
44 / 50
Tetraethyl lead is used as______?
45 / 50
The yellow colour in photochemical smog is due to presence of__________________?
46 / 50
Glycine is the name of an amino acid because___________________?
47 / 50
Ncleophilic addition reactions are catalysed__________________?
48 / 50
Pi bonds are produced by overlapping of__________________?
49 / 50
Presence of nitrogen in organic compounds is tested as__________?
50 / 50
Enthalpy change can be_________________?
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