Questions in Grade High-school

Questions in Grade High-school

[Done] 1. In the industrial preparation of oxygen, state: (a) How dust particles are removed from air. (b) Why carbon (IV) oxide is removed before the mixture is cooled. 2. A form four student accidentally mixed Sodium Carbonate and Calcium. How would he obtain a dry sample of Sodium Carbonate from the mixture?

[Done] Alpha is an associate of Delta. How should profits generated by Alpha be shown in the consolidated accounts of Delta? A. All the profits after tax generated by Alpha are included by consolidating the revenue and expenses of Alpha on a line-by-line basis from revenue down to profit for the year. B. Delta's share of Alpha's profit after tax is included by the payment of a dividend from Alpha to Delta, which is shown in the consolidated statement of profit or loss of Delta. C. Delta's share of Alpha's profit after tax is included in the consolidated statement of profit or loss of Delta as a single amount. D. All the profits after tax generated by Alpha are included in the consolidated statement of profit or loss of Delta as a single amount.

[Done] (i) What is Integrated Pest Management? (ii) Give three advantages of Integrated Pest Management.

[Done] Which of the following values are solutions to the inequality $-6-x \leq 7$? I. -13 II. -14 III. -6 A. None B. I only C. II only D. III only E. I and II F. I and III G. II and III H. I, II and III

[Done] Review the incomplete derivation of the cosine sum identity. | Step 1 | [tex]\cos (x+y)[/tex] | | :----- | :---------------------------------- | | Step 2 | [tex]$\sin \left(\frac{\pi}{2}-(x+y)\right)$[/tex] | | Step 3 | | | Step 4 | [tex]$\sin \left(\frac{\pi}{2}-x\right) \cos (y)-\cos \left(\frac{\pi}{2}-x\right) \sin (y)$[/tex] | | Step 5 | | Which expressions for Step 3 and Step 5 complete the derivation? A. Step 3: [tex]$\sin \left(\left(\frac{\pi}{2}-x\right)+y\right)$[/tex] Step 5: [tex]$\cos (x) \cos (y)+\sin (x) \sin (y)$[/tex] B. Step 3: [tex]$\sin \left(\left(\frac{\pi}{2}-x\right)+y\right)$[/tex] Step 5: [tex]$\cos (x) \cos (y)-\sin (x) \sin (y)$[/tex] C. Step 3: [tex]$\sin \left(\left(\frac{\pi}{2}-x\right)-y\right)$[/tex] Step 5: [tex]$\cos (x) \cos (y)+\sin (x) \sin (y)$[/tex] D. Step 3: [tex]$\sin \left(\left(\frac{\pi}{2}-x\right)-y\right)$[/tex] Step 5: [tex]$\cos (x) \cos (y)-\sin (x) \sin (y)$[/tex]

[Done] A four-year college's application process takes into account all of the following except: A. standardized test scores. B. high school courses taken. C. middle school grades. D. high school grades.

[Done] If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem, what would be the final value for the enthalpy of reaction you use for this intermediate reaction? [tex]H_2+0.5 O_2 \rightarrow H_2 O, \Delta H=-286 kJ[/tex] A. 572 k B. -572 k C. -286 kJ D. 286 kJ

[Done] If 15% of adults in a certain country work from home, what is the probability that fewer than 54 out of a random sample of 450 adults will work from home? (Round your final answer to 4 decimal places.)

[Done] Which of the following is true of the cerebral hemispheres? A. The left hemisphere initially receives information from the left as well as the right side of the body. B. The right hemisphere initially receives information from the left as well as the right side of the body. C. The left hemisphere initially receives information only from the left side of the body. D. The right hemisphere initially receives information only from the left side of the body.

[Done] Read the following sentences and make questions from them. He is a brave boy. There is no mouse in the house. The doors are not shut. The girls are singing. The boys are ill. She was late for school. He is an honest man.