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Dr. Dinesh Prasad Saklani is the director of NCERT since 2022. [2] In 2023, NCERT constituted a 19-member committee, including author and Infosys Foundation chair Sudha Murthy, singer Shankar Mahadevan, and Manjul Bhargava to finalize the curriculum, textbooks and learning material for classes 3 to 12. [4]
[27] [28] In another class XII textbook titled ‘Contemporary World Politics’ the Aksai Chin region was shown to be a disputed area and coloured in the same colour as China. According to the NCERT, the controversial map was not a map of India, but a map of East and South East Asia published by University of Texas at Austin. [29]
Another report from 2013 stated that there were 229 million students enrolled in different accredited urban and rural schools of India, from Class I to XII, representing an increase of 2.3 million students over 2002 total enrolment, and a 19% increase in girl's enrolment. [31]
The most common method of eliminating the liquid junction potential is to place a salt bridge consisting of a saturated solution of potassium chloride (KCl) and ammonium nitrate (NH 4 NO 3) with lithium acetate (CH 3 COOLi) between the two solutions constituting the junction. When such a bridge is used, the ions in the bridge are present in ...
David Lever, 55, was charged with three counts of murder in the killings Friday of Anthony “Tony” Gribble, 80; Paula Gribble, 76; and Enrique Reyes, 64, according to the sheriff's office.
A buffer solution contains an acid and its conjugate base or a base and its conjugate acid. [2] Addition of the conjugate ion will result in a change of pH of the buffer solution. For example, if both sodium acetate and acetic acid are dissolved in the same solution they both dissociate and ionize to produce acetate ions .
It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. KHP is slightly acidic , and it is often used as a primary standard for acid–base titrations because it is solid and air-stable, making it easy to weigh accurately.
An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula . For example, a solution of table salt , also known as sodium chloride (NaCl), in water would be represented as Na + (aq) + Cl − (aq) .