A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structure
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its Read More »
A. Pb3 O4
B. 2Pb CO3 – Pb (OH)2
C. Pb Cr O4 – Pb (OH)2
D. Pb2O
What is the formula of chrome red? Read More »
A. IIIA group
B. IVA group
C. VA group
D. VIA group
Across short period the melting and boiling point increase upto Read More »
A. Si
B. As
C. Te
D. None of the above
Which elements do not fall in stair case of the modern periodic table Read More »
A. endothermic
B. exothermic
C. unpredictable
D. same
A. constitutive property
B. additive property
C. colligative property
D. intrinsic property
The use of antifreeze in the automobile radiator is an important application of Read More »
A. 1.008 x 10-3
B. 5.5 x 10-4
C. 1.84 x 10-4
D. 1.673 x 10-3
1 mole of electron has mass in microgram Read More »
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm
