In the laboratory preparation of Hydrochloric acid, hydrogen chloride gas is dissolved in water.(i) Draw a diagram to show the arrangement used for the absorption of HCl gas in water. (ii) State why such an arrangement is necessary. Give two reasons for the same. (iii) Write balanced equations for the laboratory preparation of HCl gas when the reaction is : A. Below 200°C B. Above 200°C ​

mass of one electron is 5.5×10-⁴ u Calculatemass of one mole of electrons in. kg class 9 ​

a Q.1. Read the extract and solve the activities. 12 The eight-and-a-half-hour-long day inside the hide was a fruitful as the Jambha tree standing tall on the edge of Umbarzara. Before wrapping up my day at this natural waterhole, I took entries of the avifauna in my field work. Since I was alone, I rushed to Pitezari village where I was stationed. I camouflaged the hide, took my essentials, and came out of the hide and stretched out to my heart's content. I lifted my camera bag and took the familiar trial to Pitezari. Negotiating the webbed leaves of Teakwood and Moha trees, trying to make minimal sound, I was treading cautiously among the wood. Walking alone in a jungle needs more alertness than walking with a companion. I was alone here like a fox. Following the trial silently, watching with wide-open eyes, my ears were grasping a variety of sound stunned me... Khyak! Khyak! KhyakoSSKhyak!' It was a Langur alarm call. The leader of the gang of Langurs was sitting on the tall tree making alarm calls out of fear. Rest of the Langur brigade continued raising the alarm calls. The network of alarm calls was expanding its range as the petrified Langurs speeded to the trees near and far and secured their places on treetops. All this upheaval was created by only one animal's presence-a Leopard. Many animals make alarm calls when they see a predator- Tiger or a Leopard nearby. The Langur is more reliable when it comes to finding clues about the presence of the apex predators in the jungle. The mighty elusive Leopard of Umbarzara was out of his liar. He was on the prowl. The stealthily moving figure in spotted gold- black cloak was spied by these Langurs. Even the small ones from the legion of Langurs were giving alarm calls. 'Chyak! Chyak! I stayed put. Gauged the leader Langur's target sight and scanned the area visually Took some steps. Stopped again. A fresh scat was lying before me on the trail. The bluish- purple flies were hovering over it. I was sure that the Leopard was somewhere near. The distant alarm call of four-horned antelope was adding to the chaos.Q. Complete the given Web diagram. Precautions taken by the Author in the forest ​

Present a sample of bank sheet mentioning the procedure for preparation of bank match sheet?

prepare chart on prepositions ​