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This is a Multiple choice Questions as classified in NCERT Exemplar

Options (ii), (iii) and (iv)  are correct since rainwater has a pH of 5.6 due to the presence of H+ ions formed by the reaction of rainwater with carbon dioxide present in the atmosphere. The reactions can be shown as-

H₂O (l)+CO₂ (g)→H₂CO₃ (aq)

H₂CO₃ (aq)→H+ (aq)+HCO₃ (aq)

If the pH of the rainwater falls below 5.6 then it is known as acid rain. SO₂ and NO₂ after oxidation and reaction with water are major contributors to the acid rain.

2SO₂ (g)+O₂ (g)+2H₂O (l)→2H₂SO₄ (aq)

4NO₂ (g)+O₂ (g)+2H₂O (l)→4HNO₃⁻ (aq)

This is a Multiple choice Questions as classified in NCERT Exemplar

Options (i) and (ii) are correct since fertilizers contain phosphates as additives. The addition of phosphates in water enhances the growth of the algae. Such profuse growth of algae covers the water surface and reduces the oxygen concentration in water.

Yes, the application portal is live now for the students wanting to enroll in the BBA course at the Gupta College Bangalore. The portal is usually opens in the month of May-June. The students should sucessfully pass their Class 12 exam. Meeting the eligibility criteria is an imporatnt aspect in the admission process of BBA. 

This is a Multiple choice Questions as classified in NCERT Exemplar

Options (iii) and (iv) are correct since clean water has BOD less than 5 ppm and polluted water has BOD value higher than 5 ppm. So, 10 BOD means highly polluted water. This process in which nutrient enriched water bodies support a dense plant population, which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity is termed as Eutrophication.

Bharati Vidyapeeth's Institute of Management Studies and Research (BVIMR) has been consistently ranked among the top B-schools in India. Some of the recent BVIMSR Rankings 2025 are tabulated below:

This is a Multiple choice Questions as classified in NCERT Exemplar

Option (iv)

Using plastic cans for neatly storing substances is correct since use of plastic cans for neatly storing substances will not come under green chemistry because plastic is non-biodegradable and causes pollution.

The JEE Main 2024 closing rank for BTech at SVSU exhibited variability by specialisation. The final round of General AI closing ranks ranged from 302,782 to 813,861. Candidates can refer to the following table for more information:

Yes, the aspirants of Bharati Vidyapeeth's Institute of Management Studies and Research MS courses can apply for various Government Scholarships. Aspirants should apply for the scholarships that are applicable for the PG course applicants only. Also, before applying, the eligibility requirements should be checked carefully.

Admission at Bharati Vidyapeeth's Institute of Management Studies and Research through the MAH MBA CET entrance exam is valid for the MBA programme. Based on the Bharati Vidyapeeth's Institute of Management Studies and Research MMS cutoff 2024, the last round cutoff was 93.44 for the general AI category students. During the first round, the cutoff score for the same course stood at 94.9.

This is a Multiple choice Questions as classified in NCERT Exemplar

Option (i) the reaction is endothermic and requires very high temperature is correct since dinitrogen and dioxygen are the main constituents of air. These gases do not react with each other at a normal temperature. The dissociation energy of N₂is very high due to the presence of triple bond and it is very stable. 

Harvard University as well as the University of Oxford are two most prestigious universities worldwide and part of the top 5 universities in the world. When it comes to rankings, Oxford University is above Harvard, with the rank #3 in BTech in the UK by Shiksha Popularity Rankings. Whereas, the latter has obtained the rank #32 in BTech in the USA. Also, Harvard is part of the prestigious Ivy League institutions. Mentioned below is the comparison between both of these globally renowned universities on the basis of some crucial parameters:

This is a Multiple choice Questions as classified in NCERT Exemplar

Option (ii) Troposphere is correct since the lowest region of atmosphere in which the human beings along with other organisms live is called troposphere. It extends up to the height of  approximately 10 km from sea level. 

Candidates wanting to take admission in the BBA programme at Gupta College Bangalore which is affiliated to the Bangalore University should anticipate to pay the admission fee during admission. In the due course, students have to pay the tuition fee for the BBA course. The tuitio fee to be paid is INR 1.65 lakh. The information is tken from official website and could be subject to revision. 

For admissions at the London Business School, it is extremely important to appear for the interview round. The interview round is considered extremely important, as important as fulfilling all the admission requirements and submission of mandatory documents. The interview round generally focuses on behavioural questions, including questions on work and practical experience, future goals related to career and how the candidate is planning to achieve them. The interviewer might ask questions regarding the application and other documents too. Questions could also be based on the decision of joining any particular specialisation in LBS.

 The students seeking admission in the BBA course at the Gupta College Bangalore requires to meet the eligibility criteria that is defined by the college. As per the selection criteria, students must complete their Class 12/PUC in any stream such as Science, Commerce, Arts, from a recognised board/university. The students pursuing Class 12 equivalent exams are also eligibile for admission into BBA.