Skip to main content

Practicals - Chemistry Projects For Class 12


Chemistry Projects For Class 12 Cbse

Free and Online Chemistry Projects For Class 12 CBSE | Practical

Practicals - Chemistry Projects For Class 12

Chemistry Projects For Class 12 Cbse : Micro-chemical methods are available for several of the practical experiments. Wherever possible such techniques should be used.
A. Surface Chemistry (a) Preparation of one lyophilic and one lyophobic sol. Lyophilic sol : starch , egg albumin and gum. Lyophobic sol : aluminium hydroxide, ferric hydroxide, arsenious sulphide. (b) Dialysis of sol prepared in (a) above. (c) Study of the role of emulsifying agent in stabilizing the emulsions of different oils.


Projects - Chemistry Projects For Class 12

Scientific investigations involving laboratory testing and collecting information from other sources. A few suggested projects
• Study of presence of oxalate ions in guava fruit at different stages of ripening.
• Study of quantity of casein present in different samples of milk.
• Preparation of soybean milk and its comparison with the natural milk with respect to curd formation, effect of temperature, etc.
• Study of the effect of potassium bisulphate as food preservative under various conditions (temperature, concentration, time etc.)
• Study of digestion of starch by salivary amylase and effect of pH and temperature on it.
 • Comparative study of the rate of fermentation of following materials: wheat flour, gram flour, potato juice, carrot juice etc.
 • Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi (cardamom)
. • Study of common food adulterants in fat, oil, butter, sugar, turmeric powder, chilli powder and pepper.

Note: Any other investigatory project, which involves about 10 periods of work, can be chosen with the approval of the teacher. In addition models and exhibits for exhibition ,depicting basic principles and application in daily life may also be included .

Click here for visit official website..

  Download PDF file for cbse class 12
Labels:

Comments

Post a Comment

Thank you we will contact ASAP.

Popular posts from this blog

Allotment of DIN (Director Identification Number)

Allotment of DIN (Director Identification Number) CS professional course :  Section 153 of the Companies Act, 2013 read with Rule 9 of the Companies (Appointment and Qualification of Directors) Rules, 2014 Every individual intending to be appointed as a director as a director of a company shall make an application for allotment of Director Identification Number (DIN) to the Central Government in such form and manner and along with such fees as may be prescribed. Rule 9 of Companies (Appointment and Qualification of Directors) Rules, 2014 (1) Every Individual, who is to be appointed as a director of a company shall make an application electronically in Form DIR 3, to the Central Government for the allotment of a DIN along with such fees as provided in the Companies (Registration Offices and Fees) Rules, 2014. (2) The Central Government shall provide an electronic system to facilitate submission of an application for the allotment of DIN through the portal on the MCA21...
Post a Comment
Read more

PURCHASED GOODWILL METHOD UNDER IND AS 103

The acquisition of subsidiaries results in  Goodwill calculation  and also records net assets of the subsidiary at fair value on the date of acquisition. Let’s get answers to all the questions related to Goodwill, valuation of NCI, and impairment relating to them. Q1 – What are the ways in which an entity can make payment for purchase consideration? ANS: – Cash – Share exchange – Deferred payment – Contingent consideration Q2 – How is deferred payment dealt, when it forms part of purchase consideration? ANS:  The deferred payment is discounted to present value and included in the cost of consideration. At the end of each year, the liability is increased by unwinding the discount, until the payment is settled. For example, An amount of Rs. 108,000 was deferred to be paid after 2 years. The discount rate applicable is 8%. The net present value today of Rs. 108,000 is equal to (108,000 * 1) / (1.08) ^2)= Rs. 92,593 included in purchase consideration. A liability of Rs. 92,59...
Post a Comment
Read more

Contract of Guarantee important topic for CS Professionals

Contract of Guarantee important topic for CS Professionals For  CS Course  , Takshila Learning is offering CS Professional online classes for students in an easy, convenient, and simple way through our portal  www.takshilalearning.com .  It helps students to grab the conceptual knowledge in a different but simple way. CS online classes for CS preparation are a collection of HD-quality recorded lectures with the detailed explanation of the content by experienced and well-known faculties. An interesting topic from Drafting – ‘ Guarantees ’ is discussed below: Guarantees Contract of Guarantee A “ contract of Guarantee ” is a contract to perform the promise, or discharge the liability, of a third person in case of his default. A Guarantee may be either oral or written. Parties involved in the Contract Surety:  The person who gives the guarantee is called the  “surety”. Principal debtor:  The person in respect of whose default the gua...
Post a Comment
Read more