Sansad TV Perspective: QUAD for Free Indo-Pacific
In the series Sansad TV Perspective, we bring you an analysis of the discussion featured on the insightful programme ‘Perspective’... View Article
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Difference between Functional and Non-Functional Requirements
What are Functional Requirements? Functional requirements are the important qualification that every system should have in various forms. We can... View Article
Difference between Greedy Approach and Dynamic Programming
What is a Greedy Approach? A Greedy approach is one of the most famous techniques utilised to solve problems. We... View Article
Difference between Random Scan and Raster Scan
Raster scan and Random Scan are the popular approaches used to demonstrate the picture of an object on the screen.... View Article
PM-STIAC – Science Technology & Innovation Council
The Prime Minister’s Science Technology & Innovation Council (PMSTIAC) has specified nine national research priorities for India to ensure its... View Article
14 Feb 2022: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 14 Feb 2022. Important news and... View Article
Economy This Week (05th Feb to 11th Feb 2022)
Economy is an important part of the UPSC prelims and mains exams; this series titled ‘Economy This Week’ has been initiated to... View Article
Match the chemicals in column I with their uses on column II:
Column I Column II (A) Sodium perborate (I) Disinfectant (B) Chlorine (II) Antiseptic (C) Bithional (III) Milk bleaching agent (D)... View Article
The hybrid rocket propellant consists of:
A. Acrylic rubber and liquid nitrogen tetroxide B. Polyurethane and ammonium perchlorate C. Nitroglycerine and nitrocellulose D. Liquid hydrogen and... View Article
Pick out the statement which is not true.
A. Tetrazine is harmful edible colour B. Alitame is an artificial sweetner C. BHT is an antioxidant D. Sodium alkyl... View Article
Match metal ion (Part I) with colour (Part II) in presence of alizarin:
– Part I – Part II I. Sn2+ A. Blue II. Mg2+ B. Pink III. Al3+ C. Violet IV. Ba2+... View Article
The pH value of gastric juice in the human stomach is about 1.8 and in the small intestine it is about 7.8. The pKa value of aspirin is 3.5. Aspirin will be:
A. Completely ionised in the small intestine and in the stomach B. Unionised in the small intestine and in the... View Article
A hybrid rocket propellant uses:
A. A liquid oxidizer and a solid fuel B. A complete solid propellant C. A biliquid propellant D. None of... View Article
Which of the following could act as a propellant for rockets?
A. Liquid hydrogen + liquid nitrogen B. Liquid oxygen + liquid argon C. Liquid hydrogen + liquid oxygen D. Liquid... View Article
Which of the following is used as an oxidiser in rocket propellants?
A. Alcohol B. Acrylic rubber C. Hydrazine D. Polyurethane E. Ammonium perchlorate Solution: (E) Ammonium perchlorate is used as an... View Article
Which of the following is a double base propellant?
A. Methyl nitrate and nitromethane B. Nitroglycerine and nitrocellulose C. Kerosine and alcohol D. Acrylic rubber and liquid N2O4 E.... View Article
Which of the following is known as invert soap?
A. Pentaerythritol monostearate B. Sodium stearly sulphate C. Trimethyl strearyl ammonium bromide D. Ethoxylated nonyphenol Solution: (C) Trimethyl stearyl ammonium... View Article
For the identification of β-naphthol using dye test, it is necessary to use:
A. Dichloromethane solution of β-naphthol B. Acidic solution of β-naphthol C. Neutral solution of β-naphthol D. Alkaline solution of β-naphthol... View Article
Food preservatives prevent spoilage of food due to microbial growth. The most commonly used preservatives are:
A. Table salt, sugar B. Vegetable oils and sodium benzoate C. C6H5COONa D. All of the above Solution: (D) Table... View Article
Compound A given below is:
A. Antiseptic B. Antibiotic C. Analgesic D. Pesticide Solution: (C) Compound A which is Aspirin is used as analgesic.
