What is the empirical formula of the fructose (C6H12O6) found in honey?
The empirical formula of the fructose (C6H12O6) found in honey is the simplest formula so divide the chemical formula by... View Article
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The chemical name of lime water is _________.
The chemical name of lime water is calcium hydroxide. Its chemical formula is Ca(OH)2.
EDTA is a ____ ligand.
EDTA is a hexadentate ligand. It is a ligand that combines with a central metal atom with six bonds.
Name four types of fabrics used by us.
Generally, we use various types of fabrics like silk, cotton, rayon, nylon, etc.
What are man made fibres? Give example.
Synthetic fibres, on the other hand, are made by human beings. That is why these are called synthetic or man-made... View Article
Calculate the molecular mass of CaSO4.
To calculate the molecular mass of CaSO4, we need to add the atomic masses of all the atoms in a... View Article
The amorphous form of silica is
(a) Quartz(b) Kieselguhr (c) Cristobalite(d) TridymiteCorrect option: (b) Kieselguhr The amorphous form of silica is Kieselguhr.
Molecular weight of phenol is
(a) 94.11 g/mol(b) 84.11 g/mol(c) 104.11 g/mol(d) 98 g/molCorrect option: (a) 94.11 g/molMolecular weight of phenol (C6H5OH) is 94.11 g/mol.
Cellulose is a polymer of
(a) Glucose(b) Fructose(c) Ribose(d) SucroseCorrect option: (a) GlucoseCellulose is a polymer of glucose. Cellulose is a straight chain polysaccharide composed... View Article
Write three properties of Suspension.
Properties of a Suspension are:• Suspension is a heterogeneous mixture.• The particles of a suspension can be seen by the... View Article
What is the formula of carbon tetrachloride?
The chemical formula of carbon tetrachloride is CCl4. It is also known as tetrachloromethane.
Write two examples of ferromagnetic substance.
Some of the examples of ferromagnetic substances are Iron, Cobalt, Nicke, etc. Most of the ferromagnetic materials are metals.
Alum powder does not dissolves in water. True or False
False, alum powder is colourless, odourless, and exist as a white crystalline powder. Alums are generally soluble in hot water.
Write the common name and IUPAC name of C2H5COOH.
The common name of C2H5COOH is propionic acid or ethanecarboxylic acid. The IUPAC name of C2H5COOH is Propionic acid.
Which is correct statement about proton?
(a) Proton is nucleus of deuterium (b) Proton is a-particle (c) Proton is ionized hydrogen molecule (d) Proton is ionized... View Article
Indicate the number of unpaired electrons in: (a) P, (b) Si, (c) Cr, (d) Fe and (e) Kr.
(a) Phosphorus (P) – atomic number 15: 1s2 2s2 2p6 3s2 3p3 Number of unpaired electron = 3 (b) Silicon... View Article
What is Ori?
Ori, i.e. the origin of replication or the replication origin is a particular sequence in a genome at which replication... View Article
In brief state what happens when a red blood cell is kept in concentrated saline solution?
When red blood cell is kept in concentrated saline solution, the cell loses water immediately and shrinks.
Minamata disease is due to pollution of
(a) aresenic into the atmosphere(b) organic waste into drinking water(c) oil spill in water(d) industrial waste mercury into fishing waterCorrect... View Article
The first acceptor of CO2 in C4-plant is
(a) Ribulose biphosphate (b) Phosphoenol pyruvate (c) Oxaloacetic acid (d) 3-Phosphoglyceric acid Correct option: (b) Phosphoenol pyruvate The first acceptor... View Article
