(A) Abdul Ghani Baradar
(B) Mullah Hebatullah Akhundzada
(C) Amir Khan Muttaqi
(D) Wakil Ahmed Muttawakil
Author:
Common name for the compound having formal NaOH is?
(A) Caustic potash
(B) Caustic soda
(C) Sodium hydroxide
(D) Soda ash
Setting of plaster of paris involves?
(A) Hydration to form other hydrates
(B) Dehydration process
(C) Oxidation process
(D) Reduction process
Seaweeds are important source of?
(A) Iodine
(B) Bromine
(C) Iron
(D) Chlorine
Chief constituent of vinegar?
(A) Oxalic acid
(B) Salycylic Acid
(C) Acetic Acid
(D) Formic acid
Which among following is responsible for extra strength of pyrex glass?
(A) Ferric oxide
(B) Lead oxide
(C) Borax
(D) Potassium carbonate
Glycol is added to aviation gasoline because it?
(A) Reduces consumption of petrol
(B) Prevents freezing of petrol
(C) Increases efficiency of petrol
(D) Reduces evaporation of petrol
Which of the following metal causes Itai-Itai diseases?
(A) Copper
(B) Cobalt
(C) Chromium
(D) Cadmium