Q. Describe the Limit Test for Sulphate as per IP 1985 and IP 1996.

Answer:

Limit Test for Sulphate

• The (Limit Test for Sulphate) is used to detect and control the amount of (Sulphate Impurity) present in pharmaceutical substances.

• It is based on the formation of (Barium Sulphate), which produces (Turbidity/Opalescence).

• The turbidity of the (Test Solution) is compared with that of the (Standard Solution).

Principle

• (Sulphate Ions) react with (Barium Chloride) to form (Barium Sulphate)

Positive Psychology

• Founder: Martin Seligman (1998)

• Scientific study of strengths, well-being, happiness, and flourishing.

• Aim: Build strengths, not just treat illness.

• Scope: Happiness, optimism, hope, resilience, mindfulness, flow, character strengths.

Keywords: Strengths • Flourishing • Well-being • Positive emotions

 Positive Psychology & Indian Psychology

Positive Psychology

• Happiness

• Strengths

• Flourishing

Indian Psychology

• Happiness + Self-realization

#What is Social Innovation? How does entrepreneurship create social value? Explain 

Social innovation is the process of developing new ideas, products, services, or business models that solve social, economic, or environmental problems while improving the quality of life of people.

Examples:

• Digital banking for rural communities
• Low-cost healthcare services
• Renewable energy projects

How Entrepreneurship Creates Social Value

1. Employment Generation
   • Creates jobs and reduces unemployment.
2. Poverty

1. Define GCD. (1 Mark)

GCD (Greatest Common Divisor) is the largest positive integer that divides two or more integers exactly.

2. Find the prime factorization of 1330. (1 Mark)

1330=2×5×7×19​

3. Define Residue. (1 Mark)

A residue modulo mmm is any integer equivalent to another integer modulo mmm.

4. State the Chinese Remainder Theorem. (1 Mark)

If the moduli are pairwise coprime, a system of congruences has a unique solution modulo the product of the moduli.

5. Define Fermat Numbers.

1. Pleural effusion -

Interpretation-

Quality- RIPE- good 

1. Airways- trachea deviated to the right (pushing effect- because of effusion); cannot visualise the carina or bronchus

2. Breathing- effusion in the left lower and middle zones which end in the upper zone with a meniscus sign; lung markings present throughout the right lung 

3. Cardiac- cannot assess the size, difficult to visualise left heart borders 

4. Diaphragm- right hemidiaphragm can be seen; left - cannot be seen, blunting of

2. Technical Feasibility Checks: ◉Machinery ◉Technology ◉Skilled workers ◉Raw materials

3. Financial Feasibility Checks: ◉Investment ◉Profit ◉Cash flow ◉ROI

4. Social Feasibility Checks whether project benefits society. Examples: ◉Employment ◉Environment ◉Community welfare

Project Implementation Stages ◉Idea generation ◉Feasibility study ◉Project report ◉Finance arrangement ◉Registration ◉Purchase machinery ◉Production ◉Marketing

MODULE 3: Financial Analysis

1. Entrepreneur An entrepreneur is a person who starts, organizes and manages a business by taking risks to earn profit. Example: Ratan Tata, Narayana Murthy, Kiran Mazumdar-Shaw.

2. Qualities/Characteristics of an Entrepreneur ◉Risk-taking ability ◉Leadership ◉Creativity and innovation ◉Self-confidence ◉Decision-making ability ◉Hard-working ◉Problem-solving ability ◉Vision and planning Example: Elon Musk invested in electric cars when many believed they wouldn't succeed.

3. Venture

Ecosystem

Definition:

An ecosystem is a community of living organisms (plants, animals, and microorganisms) that interact with each other and with non-living components (air, water, soil, sunlight, and minerals) in a particular area. It is a basic functional unit of nature where energy flows and nutrients are recycled.

Components of Ecosystem:

1. Biotic Components (Living Components):

These are the living parts of an ecosystem.

 • Producers: Green plants that make their own food through photosynthesis.