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daanish

Asked: July 12, 2021In: Class 10 Science

Given below is the list of vegetables are available vegetables in the market. Select from these the two vegetables having homologous structures:- Potato, sweet potato, ginger, radish, tomato, carrot, okra (Lady’s finger)

CBSC Session 2022-23. Sample Papers of Class 10th, Science. NCERT Important Questions of Class 10th Science. NCERT Science Solutions of Class 10th. NCERT book extra Questions. CBSC Board and other State board. Important MCQ Science Questions of Class 10th.

daanish

Asked: July 12, 2021In: Class 10 Science

A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under

CBSC Session 2022-23. Sample Papers of Class 10th, Science. NCERT Important Questions of Class 10th Science. NCERT Science Solutions of Class 10th. NCERT book extra Questions. CBSC Board and other State board.

Poll

daanish

Asked: July 12, 2021In: Class 10 Science

A student takes about 4 mL of distilled water in four test tubes marked P, Q, R and S. He then dissolves in each test tube an equal amount of one salt in one test tube, namely, sodium sulphate in P potassium sulphate in Q, calcium sulphate in R and magnesium sulphate in S. After that he adds an equal amount of soap solution in each test tube. On shaking each of these test tubes well, he observes a good amount of lather (foam) in the test tubes marked.

CBSC Session 2022-23. Sample Papers of Class 10th, Science. NCERT Important Questions of Class 10th Science. NCERT Science Solutions of Class 10th. NCERT book extra Questions. CBSC Board and other State board. Important MCQ Science Questions of Class 10th.

Poll

daanish

Asked: July 12, 2021In: Class 10 Science

While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?

CBSC Session 2022-23. Sample Papers of Class 10th, Science. NCERT Important Questions of Class 10th Science. NCERT Science Solutions of Class 10th. NCERT book extra Questions. CBSC Board and other State board. Important MCQ Science Questions of Class 10th.

Poll

daanish

Asked: July 12, 2021In: Class 10 Science

While preparing soap, in a school laboratory, which one of the following is added with a vegetable oil:

CBSC Session 2022-23. Sample Papers of Class 10th, Science. NCERT Important Questions of Class 10th Science. NCERT Science Solutions of Class 10th. NCERT book extra Questions. CBSC Board and other State board. Important MCQ Science Questions of Class 10th.

Given below is the list of vegetables are available vegetables in the market. Select from these the two vegetables having homologous structures:- Potato, sweet potato, ginger, radish, tomato, carrot, okra (Lady’s finger)

A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under

While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?

While preparing soap, in a school laboratory, which one of the following is added with a vegetable oil:

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