What is the conjugate base of hydrazoic acid?
The chemical formula of hydrazoic acid is N3H. The conjugate base is \(\begin{array}{l}N_{3}H\rightarrow N_{3}^{-}+H^{+}\end{array} \) Therefore, the conjugate base of... View Article
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The phenomenon of splitting white light into seven colours is called? (A) Reflection (B) Refraction (C) Refractive index (D) Dispersion
Dispersion Dispersion of white light is defined as splitting of white light into seven constituent colours when passed through the... View Article
Domestic waste mostly constitutes (A) Non biodegradable pollution (B) Biodegradable pollution (C) Effluents (D) Air pollution
Biodegradable pollution Domestic waste mostly constitutes biodegradable pollution Hence, the correct option is (B)
Contractile unit of muscle fibres is (A) Muscle fibre (B) Sarcomere (C) Myofibril (D) Sacrosome
Sarcomere A sarcomere is the basic unit of muscle contraction. It contains repeating units of actin and myosin filaments in... View Article
What is the meaning of Lokpal?
The Lokpal Act is an anti-corruption Act of the Indian Parliament in India. It extends to the whole of the... View Article
Practical unit of power are: (A) KW (B) MW (C) GW (D) hp
Horse power Horse power (hp) is the practical unit of power. 1 hp = 746 W, where W is Watt... View Article
What did the court say in the case of Hakim Sheik?
The Court said that the difficulty that Hakim Sheikh had to face could have cost him his life. If a... View Article
In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen (A) 5 → 2 (B) 4 → 1 (C) 2 → 5 (D) 3 → 2
5 → 2 The lines falling in the visible spectrum includes Balmer series. So the third line would be n1... View Article
In the following question arrange the given words in a meaningful order and choose the sequence from the alternatives given below 1. Site 2. Plan 3. Rent 4. Money 5. Building 6. Construction (A) 1, 2, 3, 6, 5, 4 (B) 2, 3, 6, 5, 1, 4 (C) 3, 4, 2, 6, 5, 1 (D) 4, 1, 2, 6, 5, 3
The words arranged in a meaningful sentence is as follows 4. Money 1. Site 2. Plan 6. Construction 5. Building... View Article
The mean weight of 150 students in a certain class is 60 kilograms. The mean dweight of boys in the class is 70 kilograms and that of the girls is 55 kilograms, then the number of boys and girls are (A) 100, 50 (B) 50, 100 (C) 75, 75 (D) 60, 90
Given Total students in class=150 Mean weight = 60 kg Total weight = 150 x 60 = 9000 kg Consider... View Article
Coefficient of viscosity of a gas: (A) increases with increase of temperature (B) decreases with increase of temperature (C) remains constant with increase of temperature (D) may increase or decrease with increase of temperature
Increases with increase of temperature The molecule of gas carry more momentum and collide more often with increase in temperature.... View Article
The largest lizard is (A) Varanus (B) Heloderma (C) Ophisaurus (D) Chamaeleon
Varanus Komodo dragon (Varanus komodoensis) is the largest living lizard species in the world. Hence, the correct option is (A)
5% of which number is 12?
Let the required number be X So, 5% of X = 12 (5/100) x X = 12 X = (100/5)... View Article
Which of the following symmetry is found in adult sea anemone? (A) Biradial (B) Spherical (C) Bilateral (D) None of these
Biradial Sea anemone are aquatic, mostly marine, sessile or free-swimming, biradially symmetrical animals. The radial symmetry is called biradial symmetry... View Article
Momentum is a measure of quantity of ___________ (A) motion (B) friction (C) gravitation (D) electric force
Motion Momentum is how we measure mass that is in motion. Any moving object will have momentum. Under the law... View Article
By which name Bhagat Singh is often referred to? (A) Veer Bhagat Singh (B) Lokmanya Bhagat Singh (C) Shaheed Bhagat Singh (D) Azad Bhagat Singh
Shaheed Bhagat Singh Bhagat Singh was a hero of the early 20th-century Indian Independence Movement. He was a vocal critic... View Article
If 16 (2/3)% of a number is 25, find the number
Let us assume the number as x 16(2/3)% of x = 25 On further calculation, (50/3)% of x = 25... View Article
Sinus venosus of frog is formed by the union of (A) Two precavals and two post cavals (B) One precaval and two post cavals (C) One precaval and one post caval (D) Two precavals and one post caval
Two precavals and one post caval A triangular chamber attached dorsally to heart formed by the union of three main... View Article
The packets of light energy are called ___________ (A) Electrons (B) Neutrons (C) Photons (D) Positrons
Photons Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun.... View Article
Solve 2x + 5 = 23 – x
Given 2x + 5 = 23 – x 2x + x = 23 – 5 3x = 18 On simplifying... View Article
