Science Quiz No. 01 12:50 Posted by HSSC Jobs Which of the following gases is used to inflate balloons? Carbon dioxide Helium Oxygen How many blocks are there in the modern periodic table? 4 6 7 In which group of elements in modern periodic table are the noble gases placed? 2nd 4th 18th As you move left along the periodic table, the atomic number of the elements tends to ________ . Remain the same Increase Decrease The elements in the periodic table are organized by ________ . Atomic number Atomic mass Atomic weight Which of the following acid is formed as a result of protein decomposition in the human body? Amino acid Carbonic acid Phosphoric acid Which of the following acid is known as a strong acid? Citric acid Nitric acid Oxalic acid _______ causes climate change and global warming. Oxygen Nitrogen Carbon dioxide Which period in the periodic table has both 's' and 'p' block elements? Only third period Second and third period Only first period A(H1N1) virus causes ____________. Influenza Dysentery Typhoid You got out of 10 correct. The correct answers are Share this HSSC Jobs
