Plasma is used in_________________?
A. Fluorescent bulb
B. Neon signs
C. Lasers
D. All of these
Submitted by :- Jamil Ahmed
A safe and more reliable method for drying the crystal is__________________?
A. Hot air currents
B. folds of filter paper
C. oven
D. Vacuum desiccator
Submitted by :- Jamil Ahmed
A limiting reactant is one which________________?
A. is taken in lesser quantity in grams as compared to other reactants
B. is taken in lesser quantity in volume as compared to other reactants
C. gives the maximum amount of the product which is required
D. gives the minimum amount of the product under consideration
Submitted by :- Jamil Ahmed
Which element has same isotopes like palladium___________________?
A. Nickel
B. Calcium
C. Cadmium
D. Tin
Submitted by :- Jamil Ahmed
The number of atoms in a molecule determines________________?
A. macromolecule
B. macromolecule
C. molecularity
D. atomicity
Submitted by :- Jamil Ahmed
The mass of one mole of electron is________________?
A. 1.8 mg
B. 0.55 mg
C. 0.184 mg
D. 1.637 mg
Submitted by :- Jamil Ahmed
Which one is not the use of silicones________________________?
A. Lubricant
B. Water repellent film
C. Rubber sheet
D. Medicine
Submitted by :- Jamil Ahmed
Keeping in view the size of atom which is in correct order___________________?
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. CI > 1
Submitted by :- Jamil Ahmed
Nitrates of which pair gives different products on thermal decomposition___________________?
A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
Submitted by :- Jamil Ahmed
Which is true about Zn-Cu galvanic cell ?
A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively charged
Submitted by :- Jamil Ahmed