Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. e
B. 2e
C. 3e
D. 4e
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Oxidation of primary alcohol gives________________?
Oxidation of primary alcohol gives________________?A. ketone
B. Aldehyde
C. Alkene then – COOH
D. EsterE0red of an element cab be calculated by comparing it with _____________________?
E0red of an element cab be calculated by comparing it with _____________________?A. New electrode of same element
B. SHE
C. 1M solution of ions of respective element
D. 2M solution of HCIwhich Compound Destroy The OZONE ?
which Compound Destroy The OZONE ?A. CFCs
B. CH3COOH
C. BOTH A & B
D. None Of TheseChlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?A. Single
B. Square
C. Cube
D. Raise to power fourGlycine is the name of an amino acid because___________________?
Glycine is the name of an amino acid because___________________?A. Sweet taste
B. Bitter taste
C. Shining appearance
D. Green colourElements in the same vertical group of the periodic table have same_______________?
Elements in the same vertical group of the periodic table have same_______________?A. Number of valence electrons
B. Atomic number
C. Atomic mass
D. Atomic volume