Cluster · Chemistry History and Fundamental Laws
| Question | Category | Subtype | Difficulty | |
|---|---|---|---|---|
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Which scientific law states that mass can neither be created nor destroyed in a chemical reaction? pipeline-1233757
|
ib | — | intermediate | |
|
In 1937, who along with Sir Christopher Ingold proposed nucleophilic substitution reactions of alkyl halides and related compounds? pipeline-1199143
|
delhi_police | — | intermediate | |
|
Which of the following suggested that the smallest constituent of gases like hydrogen, oxygen and nitrogen are not atoms but diatomic molecules? pipeline-1198702
|
delhi_police | — | intermediate | |
|
Which of the following is also called the First Law of Thermodynamics? pipeline-1134952
|
delhi_police | — | intermediate | |
|
Which law states that mass can neither be created nor destroyed in a chemical reaction? pipeline-1131322
|
delhi_police | — | intermediate | |
|
According to Avogadro's Law, under the same conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. This law is a precursor to which fundamental concept in chemistry? pipeline-1131328
|
delhi_police | — | intermediate | |
|
Which German chemist used the technique of preparing hydrocarbons by electrolysis of solutions of salts of fatty acids? pipeline-1131323
|
delhi_police | — | intermediate | |
|
Which French chemist summarised his experiment in 1806, and proved that the mass ratio of elements in a chemical compound is always the same, regardless of the source of the compound? pipeline-1140072
|
delhi_police | — | intermediate | |
|
In which year did Antoine Lavoisier publish ‘Methods of Chemical Nomenclature’, which included the rules for naming chemical compounds that are still in use today? pipeline-1133714
|
delhi_police | — | intermediate | |
|
Which law of thermodynamics is also known as the law of conservation of energy? pipeline-1133698
|
delhi_police | — | intermediate | |
|
Consider the following statements about thermodynamics:
Which statement(s) is/are correct? pipeline-1082538
|
delhi_police | — | intermediate | |
|
Which French chemist summarised his experiment in 1806, and proved that the mass ratio of elements in a chemical compound is always the same, regardless of the source of the compound? pipeline-1243670
|
delhi_police | — | intermediate | |
|
Who coined the term ‘zeroth law of thermodynamics’ in 1931, which asserts that two bodies in equilibrium with a third are in equilibrium with each other? pipeline-1133294
|
delhi_police | — | intermediate | |
|
Who received the Nobel Prize in 1901 for ‘recognition of the extraordinary services rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions’? pipeline-988726
|
railways | — | intermediate | |
|
Which German chemist and physicist proposed that an aromatic compound must have an odd number of pairs of electrons, Which can mathematically be written as 4n + 2 (n = 0,1,2,3, etc) in 1931? pipeline-853765
|
railways | — | intermediate | |
|
In 1784, who discovered the composition of water through his experiment with hydrogen and oxygen? pipeline-846825
|
railways | — | intermediate | |
|
In 1937, who along with Sir Christopher Ingold proposed nucleophilic substitution reactions of alkyl halides and related compounds? pipeline-841863
|
railways | — | intermediate | |
|
The signs of charges of electron, proton and neutron are __________, respectively. pipeline-841851
|
railways | — | intermediate | |
|
Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate? pipeline-846432
|
railways | — | intermediate | |
|
In 1957, who redefined a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion? pipeline-846437
|
railways | — | intermediate | |
|
Who, in the 1860s, undertook a thorough investigation of the gas laws expressing the relationships of pressure. temperature and volume in carbon dioxide? pipeline-846815
|
railways | — | intermediate | |
|
Who among the following is regarded for the discovery of catalysts? pipeline-825033
|
railways | — | intermediate | |
|
In 1957, who redefined a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion? pipeline-853673
|
railways | — | intermediate | |
|
Who, in the 1860s, undertook a thorough investigation of the gas laws expressing the relationships of pressure. temperature and volume in carbon dioxide? pipeline-842637
|
railways | — | intermediate | |
|
Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate? pipeline-853668
|
railways | — | intermediate | |
|
If a gas is confined in a container with a fixed temperature and its volume is halved, what happens to the pressure of the gas? pipeline-824434
|
railways | — | intermediate | |
|
Which principle states that if a system at equilibrium is subjected to a change in concentration, temperature, volume, or pressure, then the system readjusts itself to counteract the effect of the applied change? pipeline-823075
|
railways | — | intermediate | |
|
Consider the following statements about the Laws of Thermodynamics:
Which of the above statements is/are correct? pipeline-848132
|
railways | — | intermediate | |
|
According to Avogadro's Law, under the same conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. This law is a precursor to which fundamental concept in chemistry? pipeline-802914
|
railways | — | intermediate | |
|
Who among the following Scientists proposed that all matter was composed of atoms which were indivisible and indestructible building blocks? pipeline-842835
|
railways | — | intermediate | |
|
Consider the following statements about the Laws of Thermodynamics:
Which of the above statements is/are correct? pipeline-802609
|
railways | — | intermediate | |
|
According to Avogadro's Law, under the same conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. This law is a precursor to which fundamental concept in chemistry? pipeline-835907
|
railways | — | intermediate | |
|
According to Avogadro's Law, under the same conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. This law is a precursor to which fundamental concept in chemistry? pipeline-824282
|
railways | — | intermediate | |
|
If a gas is confined in a container with a fixed temperature and its volume is halved, what happens to the pressure of the gas? pipeline-835896
|
railways | — | intermediate | |
|
Who among the following is regarded for the discovery of catalysts? pipeline-824286
|
railways | — | intermediate | |
|
Which of the following statements best describes the Law of Conservation of Energy? pipeline-826819
|
railways | — | intermediate | |
|
Adiabatic is a thermodynamic process in which _____________. pipeline-1199386
|
railways | — | intermediate | |
|
Which law of thermodynamics is also known as the law of conservation of energy? pipeline-1199385
|
railways | — | intermediate | |
|
Kinetic energy of gas molecules is directly proportional to pipeline-1172130
|
railways | — | intermediate | |
|
Which of the following is also called the First Law of Thermodynamics? pipeline-1156035
|
railways | — | intermediate | |
|
Which of the following suggested that the smallest constituent of gases like hydrogen, oxygen and nitrogen are not atoms but diatomic molecules? pipeline-1140329
|
railways | — | intermediate | |
|
Which of the following statements best describes the Law of Conservation of Energy? pipeline-1134063
|
railways | — | intermediate | |
|
What is the need to balance chemical equations? pipeline-1086964
|
railways | — | intermediate | |
|
Consider the following statements about thermodynamics:
Which statement(s) is/are correct? pipeline-1134062
|
railways | — | intermediate | |
|
Consider the following statements about the Laws of Thermodynamics:
Which of the above statements is/are correct? pipeline-1080742
|
railways | — | intermediate | |
|
Which of the following statements best describes the Law of Conservation of Energy? pipeline-1070045
|
railways | — | intermediate | |
|
In 1957, who redefined a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion? pipeline-1070349
|
railways | — | intermediate | |
|
Consider the following statements about thermodynamics:
Which statement(s) is/are correct? pipeline-1067230
|
railways | — | intermediate | |
|
In 1937, who along with Sir Christopher Ingold proposed nucleophilic substitution reactions of alkyl halides and related compounds? pipeline-1045348
|
railways | — | intermediate | |
|
The signs of charges of electron, proton and neutron are __________, respectively. pipeline-1043247
|
railways | — | intermediate |