Bleaching powder - Acid Bases and Salts, Class 10 - Class Notes- washing powder formula class 10 extra questions ,Sep 18, 2022·Properties of Bleaching Powder. (1) It is a white powder which gives strong smell of chlorine. (2) It is soluble in cold water. (3) It reacts with dilute acids to produce chlorine. When bleaching powder is treated with an excess of a dilute, all the chlorine present in it is liberated. For example, when bleaching powder is treated with an ...Extra Questions for Class 10 with Answers – Study PathBelow we have complied extra questions for class 10 maths chapter-wise. Practicing these questions will clear your doubts instantly and help you to score good marks in the exam. Chapter 1 – Real Numbers. Chapter 2 – Polynomials. Chapter 3 – Pair of Linear Equations In Two Variables. Chapter 4 – Quadratic Equations.
Bleaching powder consists of 2 atoms of Chlorine. Amongst these two atoms, one is properly bonded to the atoms of Calcium. The other atom of Chlorine forms a bond with the atom of Oxygen. For students who want to know the molecular formula of bleaching powder, it can be said that it is Ca (ClO)2. We can see that there is a mixture of Calcium ...
Aug 26, 2020·Answer: It is a brown mass known as hydrated ferric oxide. Its formula is Fe 2 O 3. xH 2 O. Question 6. A zinc rod is left for nearly 20 minutes in a copper sulphate solution. What change would you observe in the zinc …
Jul 05, 2022·Question 10. Complete and balance the following chemical equations : (i) NaOH (aq) + Zn (s) → (ii) CaCO 3 (s) + H 2 O (l) + CO 2 (g) → (iii) HCl (aq) + H 2 O (l) → Answer: (i) 2NaOH (aq) + Zn (s) → Na 2 ZnO 2 (aq) + H 2 (g) (ii) CaCO 3 (s) + CO 2 (g) + H 2 O l → Ca (HCO 3) 2 (aq) (iii) HCl (aq) + H 2 O l > H 3 O+ Cl –(aq) Question 11.
Answer: Na 2 CO 3 (s) + 2HCl (ag) → 2NaCl (aq) + CO 2 (g) + H 2 O (l) Acids Bases And Salts Class 10 Extra Questions Question 2. During summer season, a milkman usually adds a small amount of baking soda to fresh milk. Give reason. [CBSE Sample Paper 2009] Answer: A milkman adds a very small amount of baking soda so as to prevent spoilage of milk.
Calcium Hypochlorite (Bleach) Formula. In bleaching powder, there are 2 chlorine atoms out of which one is bonded to the calcium atoms and the other to the oxygen. The molecular mass of it is 142.98 g/mol. The structural formula of bleaching powder or calcium hypochlorite is given as-.
Extra Questions for Class 10 English Footprints Without Feet. Chapter 1 – A Triumph of Surgery. Chapter 2 – The Thief’s Story. Chapter 3 – The Midnight Visitor. Chapter 4 – A Question of Trust. Chapter 5 – Footprints without Feet. Chapter 6 – …
Oct 28, 2017·This video describe the Genuine Formula for making high quality Washing Powder or Detergent Powder.Buy Links for Detergent Washing Powder :Link1 - amz...
Let us see some properties of washing soda. The chemical formula of washing soda is N a 2 C O 3 . It is a white crystalline solid which is often available as a white powder. It is soluble in water and when dissolved in water it renders the solution alkaline. When we dissolve washing soda in water it dissociates in water to form two ions: N a ...
Mar 10, 2020·According to new CBSE Exam Pattern, MCQ Questions for Class 10 Maths Carries 20 Marks. Chapter 1 Real Numbers Class 10 Extra Questions. Chapter 2 Polynomials Class 10 Extra Questions. Chapter 3 Pair of Linear Equations in Two Variables Class 10 Extra Questions. Chapter 4 Quadratic Equations Class 10 Extra Questions.
Jul 29, 2018·NaHCO3 named as sodium hydrogen carbonate. Continue with Google. Continue with Facebook
Bleaching powder consists of 2 atoms of Chlorine. Amongst these two atoms, one is properly bonded to the atoms of Calcium. The other atom of Chlorine forms a bond with the atom of Oxygen. For students who want to know the molecular formula of bleaching powder, it can be said that it is Ca (ClO)2. We can see that there is a mixture of Calcium ...
Sep 01, 2020·Minerals and Energy Resources Class 10 Extra Questions and Answer Geography Chapter 5 Map Skills. Question 1. On the given outline political map of India, show the following iron ore mines: (i) Ratnagiri. (ii) Mayurbhanj. …
Short Answer Type Questions[L] [2 Marks] – Year 2015Short Answer Type Questions[Ll] [3 Marks] –Year 2015Long Answer Type Questions [5 Marks] –Year 2015Short Answer Type Question[L] [2 Marks] – Year 2014Short Answer Type Question[L] [2 Marks] – Year 2013Short Answer Type Question[Ll] [3 Marks] – Year 2013Long Answer Type Question [5 Marks] – Year 2013Very Short Answer Type Question [1 Mark] – Year 2012Short Answer Type Questions[Ll] [3 Marks] – Year 2012Long Answer Type Questions [5 Marks] – Year 2012
Jul 29, 2018·NaHCO3 named as sodium hydrogen carbonate. Continue with Google. Continue with Facebook
Feb 13, 2019·A typical lime whitewash. A solution of a substance ‘X’ is used for whitewashing. Name the substance “X’ and write its formula. Write the reaction of the substance ‘X’ named above with water. Answer: Substance X in the question is Calcium oxide or “Quick lime”. Calcium oxide (AKA slaked lime) reacts with water and forms calcium ...
Frequently asked questions 1. What is the chemical formula for washing soda? Ans: Na2CO3.10H2O 2. What is the other name for washing soda? ans: Soda ash. 3. What is the …
Aug 29, 2020·The Making of Global World Class 10 Extra Questions and Answer History Chapter 4 Map-based Questions. Question 1. On the given political map of Africa, mark the following: (a) Two colonies of Britain. (b) Two colonies of France. (c) Two colonies of Italy. (d) Two colonies of Germany. (e) Two colonies of Belgium. Answer:
Jun 19, 2020·Students can download Class 10 Science Chapter 1 Chemical Reactions and Equations Important Questions, KSEEB SSLC Class 10 Science ... A solution of a substance ‘X’ is used for white washing. ... molecular formula is CaO. Slaked lime is the common name of a chemical compound called calcium hydroxide. Its molecular formula is Ca(OH) 2 ...
Feb 13, 2019·A typical lime whitewash. A solution of a substance ‘X’ is used for whitewashing. Name the substance “X’ and write its formula. Write the reaction of the substance ‘X’ named above with water. Answer: Substance X in the question is Calcium oxide or “Quick lime”. Calcium oxide (AKA slaked lime) reacts with water and forms calcium ...
Feb 13, 2019·A typical lime whitewash. A solution of a substance ‘X’ is used for whitewashing. Name the substance “X’ and write its formula. Write the reaction of the substance ‘X’ named above with water. Answer: Substance X in the question is Calcium oxide or “Quick lime”. Calcium oxide (AKA slaked lime) reacts with water and forms calcium ...
Sep 08, 2010·The invention discloses a washing powder formula, and relates to a product having super oil stain removal effects. The washing powder formula comprises 5 to 15kg of perlite, 5 to 15kg of emulsifier/surfactant, 5 to 10kg of tourmalinite powder, 0.5 to 1.5kg of a skin care agent, 0.5 to 1.5kg of a natural bactericide and 85 to 75kg of water.
Extra Questions for Class 10 English Footprints Without Feet. Chapter 1 – A Triumph of Surgery. Chapter 2 – The Thief’s Story. Chapter 3 – The Midnight Visitor. Chapter 4 – A Question of Trust. Chapter 5 – Footprints without Feet. Chapter 6 – …
Aug 27, 2020·Expand PVC. Answer: Polyvinyl chloride. Question 9. Name a non-metal which is lustrous. Answer: Iodine. Question 10. Metal A can displace metal B from BO, the oxide of …
They neutralise the acid formed in mouth which causes tooth decay. Question (a) Explain the following chemical properties of acids with the help of balanced chemical equations only. (iii) when an acid reacts with a metal oxide. (b) You are given three solutions A, B and C with pH values 2, 10 and 13 respectively.
Extra Questions for Class 10 English English – First Flight (Prose) Chapter 1 – A Letter to God Chapter 2 – Nelson Mandela: Long Walk to Freedom Chapter 3 – Two Stories about Flying Chapter 4 – From the Diary of Anne Frank Chapter 5 – The Hundred Dresses Part 1 Chapter 6 – The Hundred Dresses Part 2 Chapter 7 – Glimpses of India (A Baker from Goa)
Sep 17, 2020·Question 10. Why will the colour of heated copper powder become black when air is passed over it? Answer: When copper powder is heated in the presence of air, black …