Consider the following statements about the Laws of Thermodynamics:

1. The Zeroth Law of Thermodynamics defines temperature.
2. The First Law of Thermodynamics is a statement of the conservation of momentum.
3. The Second Law of Thermodynamics states that the total entropy of an isolated system can never decrease over time.

Which of the above statements is/are correct? 

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?

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?

Which of the following statements best describes the Law of Conservation of Energy?

Which of the following statements best describes the Law of Conservation of Energy?

Consider the following statements regarding the characteristics of a good source of energy.

1. It would not do a large amount of work per unit volume or mass.
2. It is easily accessible.
3. It is easy to store or transport.
4. It is not economical.

Which of the statements given above are correct?

Which of the following statements accurately reflects the Second Law of Thermodynamics?

A balloon filled with hydrogen bursts on reaching high altitude because____

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?

The signs of charges of electron, proton and neutron are __________, respectively.

Who, in the 1860s, undertook a thorough investigation of the gas laws expressing the relationships of pressure. temperature and volume in carbon dioxide?

According to Boyle's law, what is the relation between pressure and volume at constant temperature?

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? [Combined Graduate Level Examination Tier I 2023]

Who synthesised acetic acid for the first time?  [CHSL 2021 Tier I]

In 1957, who redefined a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion? [SICPO Paper I 2023]

Who discovered that diborane reacts with aldehydes and ketones to produce dialkoxyboranes,Which are hydrolysed by water to produce alcohols? [Combined Graduate Level Examination Tier I 2023]

In 1893, which Swiss chemist was the first to understand the molecular structures of inorganic substances – chemical compounds that do not contain carbon? [Combined Graduate Level Examination Tier I 2022]

Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate?  [SICPO Paper I 2023]

Which two organic chemists are known for observing the peroxide effect in adding reagents to unsaturated compounds in 1933? [Combined Graduate Level Examination Tier I]

Which of the following is correct regarding the Law of Conservation of Charge?

When did Linus Carl Pauling receive the Nobel Prize in Chemistry for ‘his research into the nature of the chemical bond and its applications to the elucidation of the structure of complex substances’? [Combined Graduate Level Examination Tier I 2023]

Who was awarded the Society's Royal Medal for his atomic theory in 1826? [CHSL 2021 Tier I]

Who reconciled Dalton's atomic hypothesis with Gay-Lussac's results on the combination of volumes in 1811? [Combined Graduate Level Examination Tier I]

In 1979, who shared the Nobel Prize with Georg Wittig for their ‘development of the use of boron- and phosphorus-containing compounds, respectively, into important reagents in organic synthesis’? [Combined Graduate Level Examination Tier I 2022]

In which year did Langmuir reform the Lewis concept by abandoning the idea of ​​a stable cubical arrangement of the octet and introducing the term ‘covalent bond’? [Combined Graduate Level Examination Tier I 2022]

Which of the following statements is INCORRECT? [MTS Non technical and Havaldar Examination 2021]

Which French chemist was one of the first scientists to synthesise organic compounds such as formic acid, methane and acetylene from their elements? [Combined Graduate Level Examination Tier I 2022]

The Nobel Prize in Chemistry 1951 was awarded jointly to Edwin Mattison McMillan and ______ for their discoveries in the chemistry of the transuranium elements [Combined Graduate Level Examination Tier I 2022]

Which law, that was proposed in 1811, predicted that the same volume of gases at the same temperature and pressure would have the same number of molecules? [Combined Graduate Level Examination Tier I 2022]

In 1808, whose work provided a physical picture of how compounds are formed by the combination of two or more different types of atoms? [Combined Graduate Level Examination Tier I 2023]

Who started the chemical revolution in the 18th century by naming oxygen and helping to organize chemical nomenclature? [MTS Non Tech Havaldar CBIC and CBN Examination 2023]

Who published the book 'Method de nomenclature (System of Chemical Nomenclature)' along with Claude Berthollet and others that determined the modern method of naming substances? [CHSL 2021 Tier I]

In 1812, who described the hypothesis that equal volumes of different gases contain an equal number of molecules? [CHSL Exam 2024 Tier I]

In which of the following years did Antoine Lavoisier discover the law of conservation of mass and state that mass is conserved in a chemical reaction? [SICPO Paper I 2024]

Which theory was published by John Dalton in 1808 to explain chemical reactions? [MTS Non Tech Havaldar CBIC and CBN Examination 2023]

Which of the following statements is correct? [Junior Engineer 2024 Civil Paper I]

Who recognised the elements carbon, hydrogen and oxygen and opposed the phlogiston theory by discovering the role of oxygen in combustion and respiration? [CHSL 2021 Tier I]

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? [Combined Graduate Level Examination Tier I 2023]

In 1784, who discovered the composition of water through his experiment with hydrogen and oxygen? [SICPO Paper I 2023]

What was Antoine-Laurent Lavoisier's most important contribution to chemistry in 1789? [Combined Graduate Level Examination Tier I]

Who developed the theory of combustion as a chemical reaction with oxygen in the 18th century, that excluded phlogiston theory? [Combined Graduate Level Examination Tier I]

Who showed that heating silver cyanide (an inorganic compound) with ammonium chloride (another inorganic compound) produced urea without the aid of any living organism or part of a living organism, in 1828? [CHSL 2021 Tier I]

In 1931, who recognised 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.)? [Combined Graduate Level Examination Tier I 2022]

The total pressure of a mixture of ideal gases is the sum of partial pressures. This is ______ law of partial pressures. [CHSL Exam 2022 Tier I]

______ states that the rates of diffusion of gases are inversely proportional to the square roots of their densities under similar conditions of temperature and pressure. [CHSL Exam 2022 Tier I]

What is the correct statement related to Avogadro? [Combined Graduate Level Examination Tier I 2022]

Who observed that in a mixture of non-reactive gases, the total gas pressure is equal to the sum of the partial pressures of the individual gases? [CHSL 2021 Tier I]

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? [CHSL 2021 Tier I]

Which of the following statements are correct postulates of Dalton’s atomic theory?
A. All matter is made up of atoms. These atoms participate in chemical reactions.
B. Atoms might be created or destroyed during a chemical reaction.
C. Atoms of different elements vary in mass and chemical properties.
D. Compounds are combination of atoms in the ratio of whole or fractional numbers.
E. A compound will always have constant relative number and kind of atoms.

[SSC MTS 2024]

What was Antoine-Laurent Lavoisier's most important contribution to chemistry in 1789?

[SSC CGL 2024]