The SI unit for speed is ______
The SI unit for speed is m/s. The formula for speed is speed = distance ÷ time. Distance is in... View Article
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Dry ice is an example of:
Dry ice is solid carbon dioxide used in packing frozen items is an example of molecular solid. Dry ice and... View Article
The SI unit of impulse is _______
Answer: The SI unit of impulse is Newton-seconds(Ns) or kg m/s. What is the impulse? A large amount of force... View Article
Cortisol is secreted from _______
Cortisol, a steroid, is secreted by the adrenal cortex. It acts on the kidneys or renal tubules to maintain the... View Article
CH3OCH3
CH3OCH3 is an example of ether. Ethers are also important in medicine and pharmacology, especially for use as anaesthetics. Dimethyl Ether and its uses... View Article
Define calorimetry.
The measurement of the quantity of heat is called calorimetry. What are calorimetry and calorimeter? Calorimetry is the process of... View Article
From where aspirin is obtained?
Phenol is used in the manufacture of drugs like Aspirin (2-Acetoxy-benzoic acid). What is aspirin? Aspirin is now the most... View Article
What is the S.I. unit of force?
The S.I. unit of force is Newton. F = ma 1 Newton = 1 kg x 1 m/s2 Force It... View Article
The amplitude of a wave is ________
The amplitude of a wave is the maximum distance moved by the particles of a medium on either side of... View Article
Gold sol is an example of:
Multimolecular(particle size < 1 nm), they aggregate together and form colloid, e.g. gold sol which is a negatively charged sol. Sol... View Article
The sound waves in the air are _______
Sound waves are longitudinal waves and consists of compression and rarefaction. Because of the air particles’ longitudinal motion, there are... View Article
Twitch is a term used for:
Twitch or muscle twitch is a term used for muscle contraction. Most muscles are made up of two kinds of... View Article
How acid is defined?
An Arrhenius acid is that of any substance that ionizes when it dissolves in water to give the H+ or hydrogen... View Article
What is the SI unit of pressure?
Pascal is the SI unit of pressure. It is denoted as Pa and defined as the force of one newton per... View Article
What is the composition of Siderite?
Siderite is an ore of iron. Its molecular formula is FeCO3. Siderite that is also called chalybite, iron carbonate (FeCO3... View Article
Breathing is controlled by
Breathing is controlled by the medulla oblongata What assist breathing? The work of breathing is done by the diaphragm, the... View Article
Both grana and stroma are:
Thylakoids are disc-shaped structures present in the chloroplast. They stack up to form the grana. Thylakoids are the sites for... View Article
The purest form of iron is ______
Wrought iron is the purest form of iron. What is wrought iron? Wrought iron is composed primarily of iron with... View Article
Dry cell is also known as:
Leclanche cell. What are a cell and its types? A cell is a single electrical energy source that uses chemical... View Article
Work function of a metal is
The work function of a metal is the minimum amount of energy required to start the emission of electrons from... View Article
