Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Mercury Copper Aluminium Silver Mercury Copper Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from None 8 – 14 0 – 7 0 – 14 None 8 – 14 0 – 7 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb Os W Pt Pb Os W Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
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