The PH of Tears is __________?
The PH of Tears is __________?
A. 7.0
B. 7.4
C. 7.8
D. 8.2
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Which of the following will not form crystalline structure with opporitely charged ions_________________?
Which of the following will not form crystalline structure with opporitely charged ions_________________?A. H+
B. H-
C. Mg2+
D. Ca2+In a galvanic cell________________?
In a galvanic cell________________?A. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heatOxidation state +1 for phosphorous is found in___________?
Oxidation state +1 for phosphorous is found in___________?A. H3PO3
B. H3PO4
C. H3PO2
D. H2P2O7Arsenic oxides are removed by passing through_________________?
Arsenic oxides are removed by passing through_________________?A. Ferric hydroxide
B. Sodium hydroxide
C. Calcium hydroxide
D. Aluminium hydroxideThe concept of telluric helix was developed by___________?
The concept of telluric helix was developed by___________?A. Lother Meyer
B. A.E de Chancourtois
C. Newland
D. DobereinerDehalogenation of ethyl tetrahalide will give____________________?
Dehalogenation of ethyl tetrahalide will give____________________?A. ethene
B. ethyne
C. ethyl halide
D. all of the above are possible