Manish Mehta(MRM)

In order to study the fundamental basics of Compound formation scientists had collected some laws , which stood the basic part and foundation of Chemical compound formation... The main laws are . Law of conservation of mass  . Law of Definite Proportions . Law of Multiple Proportion  . Law of Reciprocal Proportion  Let's have a look what they have to say  1st Law " According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants." 2nd Law "In chemistry, the law of definite proportion, sometimes called Proust's law or the law of definite proportion, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation." Example 👇 3rd Law "The law of multiple proportions, states that when two elements combine to form more than on...

As the CBSE syllabus has been slightly changed for classes 9-12 due to the school closure because of the Coronavirus lockdown, we got talking to a CBSE board examiner about the kind of changes seen in the Class 11-12 Physics syllabus for 2020-21. The Central Board of Secondary Education (CBSE) has slightly changed the 2020-2021 syllabus for classes 9 to 12 because of the long period that schools need to remain shut due to the Coronavirus lockdown till May 3, causing problems with the time required by teachers to complete their syllabus in class. NCERT has come up with a new academic calendar as well as per the HRD Ministry's orders. The changed CBSE syllabus has fewer activities and practical work since this is something that cannot be carried out via the online classes that CBSE schools are holding to make sure studies don't come to a standstill with the Coronavirus pandemic. We have for you here the changes in the Physics syllabus of classes 11 and 12 as explained...

JEE (Main) 2020: Candidates Can Change Exam Centre Due to Covid-19 Situation, Says NTA The NTA will make efforts to allot city of examination to the candidates in order of the choices now opted by them in their application form, subject to the availability of capacity in the desired city. New Delhi:  Human Resource Development minister Ramesh Pokhriyal ‘Nishank’ announced on Thursday that in view of the inconvenience caused by Covid-19, the students appearing for JEE (Main) this year can make corrections in the application forms to include the choice of cities for centers. “JEE (MAIN) 2020 applicants, in the view of current #COVID19 situation, I have advised @DG_NTA to further expand the scope of making corrections in application forms allowing students to include the choice of cities for centres,” he posted on Twitter. The National Testing Agency (NTA), an autonomous and self-sustained testing organisation that conducts entrance examinations for admission/fellowship in...

Ukraine officials have noted a spike in radiation levels in the area surrounding Chernobyl after a forest within the exclusion zone caught fire. Firefighters continue to fight the fire that originated in the Chernobyl zone. The situation is difficult. The fire spread to the Chernobyl zone of 20 hectares, but m than 100 hectares are burning in total. The State Emergency Service said on Saturday that increased radiation in some areas had led to 'difficulties' in fighting the fire, but they were eventually able to localise part of it with the fire no longer visibly burning on Sunday morning, The Guardian reports. The Chernobyl nuclear disaster in 1986 killed countless people and harmed many more, with the true number of casualties still not known. People are banned from living within 30 kilometres (18 miles) of the power station, although some have remained in the exclusion zone despite orders to leave. Yegor Firsov, head of Ukraine's state ecological i...

Decision on reopening schools, colleges on April 14 after reviewing Covid-19 situation: HRD minister Union HRD Minister Ramesh Pokhriyal said that the government will take a decision on reopening of schools and colleges on April 14 after reviewing the coronavirus situation in the country. HRD minister Ramesh Pokhriyal ‘Nishank’  The government will take a decision on reopening of schools and colleges on April 14 after reviewing the coronavirus situation in the country, Union HRD Minister Ramesh Pokhriyal 'Nishank' said on Sunday. In an interview to PTI, Ramesh Pokhriyal said the safety of students and teachers is of utmost importance to the government and that his ministry is prepared to ensure there is no academic loss to students if educational institutions needed to remain shut beyond April 14, when the ongoing 21-day lockdown is slated to end. "It is difficult to take a decision at the moment. We will review the situation on April 14 and depending upon the ...