General Knowledge » Science and Scientific Research
Which of the following is NOT a neutral oxide?
Na2O
NO
N2O
CO
General Knowledge » Science and Scientific Research
Which of the following pair of compound name – formula is correct?
I. Hydrogen chloride – H2Cl
II. Hydrogen sulphide – HS2
Both I and II
Neither I nor II
Only I
Only II
General Knowledge » Science and Scientific Research
Which of the following liquids can dissolve noble metals such as gold and platinum?
Acetic acid
Chloroform
Formic acid
Aqua regia
General Knowledge » Science and Scientific Research
Which of the following is a radio isotope of the hydrogen?
Thorium
Xenon
Tritium
Technetium
General Knowledge » Science and Scientific Research
Which of the following statement is correct?
I. On combustion in excess of air, lithium forms mainly the oxide.
II. The alkali metal halides are all high melting, colourless crystalline liquids.
Only II
Only I
Both I and II
Neither I nor II
General Knowledge » Science and Scientific Research
Which physical theory explains the generation of thrust by rocket engines, jet engines and deflating balloons?
Faraday’s laws of electromagnetic induction
Exclusion principle
Newton’s laws of motion
Laws of thermodynamics
General Knowledge » Science and Scientific Research
Which of the following is a severe form of malnutrition that commonly affects infants and toddlers, most often around the age of weaning through age 5?
Bacterial meningitis
Diarrhoea
Pneumonia
Kwashiorkor
General Knowledge » Science and Scientific Research
Whose law states that at a junction in an electric circuit, the sum of the currents flowing into the junction is equal to the sum of the currents flowing out of the junction?
Gustav Robert Kirchhoff
Georg Simon Ohm
Michael Faraday
Victor Francis Hess
General Knowledge » Science and Scientific Research
Which of the following element has atomic number 87?
Rubidium
Caesium
Francium
Lithium
General Knowledge » Science and Scientific Research
The lead chromate which is toxic and carcinogenic, is used for the adulteration of __________ powder.
ginger
garlic
chili
turmeric
General Knowledge » Science and Scientific Research
Which of the following statements is correct?
Atomic radius decreases across a period and increases down a group in the periodic table.
Atomic radius increases across a period and decreases down a group in the periodic table.
Atomic radius increases across a period and increases down a group in the periodic table.
Atomic radius decreases across a period and down a group in the periodic table.
General Knowledge » Science and Scientific Research
Compounds with exactly two double carbon – carbon bonds are knows as ______.
Dienes
Trialkyne
Dialkyne
Terpenes
General Knowledge » Science and Scientific Research
Which disease refers to the inflammation of the liver caused by a variety of infectious viruses and non-infectious agents leading to a variety of health problems?
Tuberculosis
Hepatitis
Diabetes
Pneumonia
General Knowledge » Science and Scientific Research
What components are often called the building blocks of the body that play a vital role in helping to repair and strengthen muscle tissues after exercise?
Micronutrients
Fats
Carbohydrates
Proteins
General Knowledge » Science and Scientific Research
The given equation describes the _________ relation.
s = u t +1/2 a t2
distance-time
position-velocity
position-time
velocity-time
General Knowledge » Science and Scientific Research
How do humans acclimatise at high altitudes where atmospheric pressure is low for normal breathing?
By hibernating
By increasing white blood cell production, decreasing the binding affinity of haemoglobin and by increasing breathing rate
By increasing red blood cell production, decreasing the binding affinity of haemoglobin and by increasing breathing rate
By decreasing red blood cell production, decreasing the binding affinity of haemoglobin and by increasing breathing rate
General Knowledge » Science and Scientific Research
What is the role of ribosomes of a polysome?
Help in making DNA
Create rRNA
Help in DNA replication
Translate the mRNA into proteins
General Knowledge » Science and Scientific Research
Who synthesised acetic acid for the first time?
Kolbe
Berzelius
Berthelot
F Wohler
General Knowledge » Science and Scientific Research
What is the common name of CHCl3?
Chloroform
Ethylchloride
Sodium chloride
Hydrochloric acid
General Knowledge » Science and Scientific Research
Who showed that heating silver cyanide (an inorganic compound) with ammonium chloride (another inorganic compound) produced urea without the aid of any living organism or part of a living organism, in 1828?
Alfred Werner
Antoine Lavoisier
Ernest Lawrence
Friedrich Wohler