AWES PGT Chemistry Mock Test - 4 - AWES TGT/PGT MCQ

Government of India and ADB have signed a $23 million loan agreement to strengthen the fintech ecosystem in India. Under this, an International Fintech Institute (IFI) will be established to strengthen fintech education, boost start-up success rate and promote fintech research and innovation.

In March 2024, UNESCO’s Executive Board added 18 new sites to the Global Geoparks network, bringing the total number of sites to 213 across 48 countries. The new sites are located in Belgium, the Netherlands, Brazil, China, Croatia, Denmark, Finland, France, Greece, Hungary, Poland, Portugal, and Spain. Global Geoparks are single geographical areas that are managed with a holistic concept of protection, education, and sustainable development.

The correct answer is Dynasty.

Key Points

• When members of the same family become rulers one after the other, the family is called a dynasty.
• An example of a dynasty is the Mauryan Dynasty.
• Wherein, there were three important rulers- Chandragupta, his son Bindusara, and Bindusara's son Ashoka.
• Alternative terms for dynasty are 'family', 'clan' etc.

 Thus, we can say that Dynasty is when members of the same family become rulers one after the other.

Additional Information

•  Empire is a political construct in which one state dominates over another state or a series of states.

SpaceX successfully deployed the TSAT-1A satellite developed by Tata Advanced Systems Limited in partnership with Satellogic Inc. The launch took place from SpaceX’s Falcon 9 rocket from Kennedy Space Center, Florida. The TSAT-1A satellite was assembled at TASL’s Assembly plant in Vemagal, Karnataka, and is designed to deliver high-resolution optical satellite images.

Individual differences refer to how individuals differ from each other. Different people have different interests; and their behavior is influenced by these interests, likings, dislikings, values, beliefs, etc. 
For example, you may like dancing and gossiping with friends, but your friend may not like these

‘Choice of challenge’ is a characteristic of motivation.

Motivation is the drive to achieve something in life that satisfies one’s needs. There are two primary types of motivation namely, intrinsic motivation and extrinsic motivation. A number of behavioural characteristics are indicators of high motivation. Here are some of the important factors and some ways to help a child develop these characteristics:

• Persistence is the ability to stay with a task for a reasonably long period of time. While very young children cannot concentrate on one activity for an hour, there are still measurable differences in the length of time that young children will engage in an activity. A highly motivated child will stay involved for a long period of time, whereas an unmotivated child will give up very easily when not instantly successful.  Children learn persistence when they are successful at a challenging task.
• Choice of challenge is another characteristic of motivation. Children who experience success in meeting one challenge will become motivated, welcoming another. These motivated learners will choose an activity that is slightly difficult for them but provides an appropriate challenge. Unmotivated children (those who have not experienced early success) will pick something that is very easy and ensures instant success.
• The amount of dependency on adults is another indicator of motivation. Children with strong intrinsic motivation do not need an adult constantly watching and helping with activities. Children who have a lower level of motivation or are extrinsically motivated need constant attention from adults and cannot function independently.
• The last indicator of motivational level is emotion. Children who are clearly motivated will have a positive display of emotion. They are satisfied with their work and show more enjoyment in the activity. Children without appropriate motivation will appear quiet, sullen and bored.

National Education Policy 2020  is the first education policy of the 21st century and aims to address the many growing developmental imperatives of our country.

• This Policy proposes the revision and revamping of all aspects of the education structure, including its regulation and governance, to create a new system that is aligned with the aspirational goals of the 21st century.

Key Points

• National Education Policy 2020 proposes that children in primary grades should be taught in their Mother tongue/Home language. 
• This policy promotes multilingualism as multilingual education stresses using a student's mother tongue, or native language, to teach students and to make learning effective. 
• Classrooms that use multilingual education use various strategies to help students learn in their native languages. 
• Multilingualism enhances creativity, divergent thinking, and appreciation of local languages.

​Hence, we can conclude that at the primary level, National Education Policy 2020 proposes Mother tongue/Home language as the medium of instruction across the nation.

'Dyslexia' is a term known for reading disorder. The person having this disorder faces difficulty in learning to read or interpret words, letters, and other symbols, but it is not related to general intelligence. It will not have any impact on a person's general intelligence. It is a hereditary disorder that mostly runs in families. Hence, the correct answer is, 'Reading disorder.'

Solubility of an ionic compound in water depends upon lattice energy of compound and hydration energy of ions.

The carbylamine reaction, also known as Hoffman's isocyanide test is a chemical test for detection of primary amines. In this reaction, the analyte is heated with alcoholic potassium hydroxide and chloroform. If a primary amine is present, the isocyanide (carbylamine) is formed which are foul smelling substances.

The correct answer is Option A.
 
Glucose gets oxidized to cyanohydrin in reaction with HCN . This indicates that the carbonyl group is present as an aldehydic group.

P4 is undergoing oxidation as well as reduction. As oxidation number of P₄ is 0 in reactant and it increases to +1 in H₂PO₂^- and decreases to -3 in PH₃

Aggregation of colloidal particles into insoluble precipitate by addition of some suitable electrolyte is called coagulation.

Isotopes of an element have the same number of electrons. They have the same electronic distribution in various orbitals around the nucleus.  They differ in the number of neutrons in the nucleus. They have the same atomic number Z and have different mass number M.

The chemical properties of an element are dependent on the electronic configuration inside the atoms. Since Isotopes have same number electrons in the same orbitals, their chemical properties remain same.

Their physical properties like color, mass, weight, density shape or state may be different from each other.

Since, ΔG ° < 0, hence it is spontaneous in forward direction . Oxidation number of Xe decreases hence, it is an oxidising agent and oxidation number of F increases, hence it is a reducing agent.

H-bonding is between polar and electronegative 0, N and F C-atom or H attached to C is not polar. Thus, (a), (c), (d) are incorrect.

For second order reaction half life is inversely related to concentration of reactant.

Mass of O₂=32 gm ∆H/gm = -483.636/32 = -15.11
Mass of O₃=48 gm ∆H/gm = -868.2/48 = -18.08
Mass of H₂O₂=34 gm, ∆H/gm = -347.33/34 = -10.21
We can say that II has highest amount of energy per gram of oxidising agent.

The correct answer is Option B.

Rate =k[A]ⁿ[B]^m
          
When 
A'= 2A and
B'= 0.5B
 
The new rate becomes Rate' 
=[2A]ⁿ[0.5]^m

In Na₂O oxidation state of Na is +1.
It gains 2 electrons so, the oxidation state is +1 which is equal to one oxygen atom (2 electrons)

Stoichiometric compounds of hydrogen are formed with s-block elements. Only Group I elements form stoichiometric hydrides with Hydrogen as same as halides.

For geometry and shape of a molecule, both bond pair and lone pair of electron in valence shell of central atom.

For isobaric process, we have ∆S =nC_pln(T₂/T₁)
T2 = 273+127 = 400K and T₁ = 273+227 = 300K
Applying pV = nRT at initial condition,
1×10 = n×0.0821×300
n = 0.40
Applying ∆S =nC_pln(T₂/T₁)
∆S =0.40×5/2R×ln(400/300) = 2.38 JK^-1

this is troposphere

Pentanedioic acid is glutaric acid.

Since the reagent is BaCl₂(aq), displacement reaction will take place. The resulting solution, if insoluble in water, will form a white precipitate. Both BaNO₂ and BaCl₂ are soluble in water and hence will not form a precipitate. BaSO₄, however, is insoluble in water and hence forms a white precipitate.

The Russian scientist Dmitri Mendeleev proposed a periodic table similar to the one we use today in 1869. He arranged the elements according to "periodic law", where element properties could be predicted based on recurring similarities between elements (periodicity).

Elevation of boiling point and depression in freezing point are directly related to molality of solution.