A. Triggers hydration
B. Triggers hydrolysis
C. Prevents rapid hardening
D. all of the above
Addition of 2% gypsum in cement________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Na
B. Cr
C. Li
D. K
Which one can form complex ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. being s-block elements
B. inert gas configurations
C. ns1 electronic configuration
D. being metals
Second ionization potential of alkali metals are very high due to_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. N2
B. O2
C. N2 and O2
D. Ne
Magnesium metal does not burn in the vessel containing_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. high first ionization potential
B. high second ioniation potential
C. high ionic radius
D. high electronegativity
Sodium is not observed in +2 oxidation state because of its__________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Sodium and Lithium
B. Lithium and magnesium
C. Lithium and beryllium
D. Boron and Beryllium
Which one of the following pairs shown diagonal relationship in the periodic table ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Lithium
B. Sodium
C. Potassium
D. Rubidium
A. Ca and P
B. S and P
C. Ca and S
D. we could not apply
Gypsum is applied to the soil as a source of________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Water
B. HCI
C. Na+
D. NaCl
In diaphragm cell hydrogen is discharged by the reduction of__________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Na2CO3
B. K2CO3
C. (NH4)2CO3
D. CaCO3
Which one of the following carbonate is water insoluble ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS