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    • Posted by Anmol Chourasia 5 months, 1 week ago

    CBSE > Class 10 > Science
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    • Posted by Indraj Attri 5 months, 1 week ago

    CBSE > Class 10 > Science
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    Priya Negi 5 months, 1 week ago

    Xylem and phloem

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    • Posted by Saina Bhatti 5 months, 1 week ago

    CBSE > Class 10 > Science
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    • Posted by Mohit Yadav 5 months, 1 week ago

    CBSE > Class 10 > Science
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    • Posted by Gautam Jha Jha 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    Priyal Khandelwal 5 months, 1 week ago

    Magnesium ribbon should be cleaned before burning the air because it forms a coating of magnesium oxide being in contact with oxygen and hence to burn magnesium ribbon we need to remove the coating .

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    • Posted by Aafreen Anwar 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    • Posted by Jancyrani Subramanian 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    Posted by Nitesh Sharma 5 months, 1 week ago

    CBSE > Class 10 > Science
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    Posted by Anmol Chourasia 5 months, 1 week ago

    CBSE > Class 10 > Science
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    Manjeet Chaurasiya 5 months ago

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    • Posted by Aashik Sahare 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    Posted by Richard James 5 months, 1 week ago

    CBSE > Class 10 > Science
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    Richard James 5 months ago

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    Posted by Ajay Kumar 5 months, 1 week ago

    CBSE > Class 10 > Science
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    • Posted by Aditya Singh Gaur 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Apoorva Dutt 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Shiva Pandey 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    • Posted by Alok Gupta 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 2 answers

    Lavkush Giri 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Lakshay Joshi 5 months, 2 weeks ago

    No it's present in leafs

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    • Posted by Saba Fatma 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Parul Ailawadi 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Shradha . 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 4 answers

    Gautam Jha Jha 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Sonu Scientist 5 months, 2 weeks ago

    Principal axis is a imaginary lines joining pole and centre of curvature containing focus point of concave mirror

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    Lakshay Joshi 5 months, 2 weeks ago

    Line joining c and p

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    Alok Gupta 5 months, 2 weeks ago

    The principal axis of a concave mirror is the point from where light ray enters parallel

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    • Posted by Palak Kumari 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Sonu Scientist 5 months, 2 weeks ago

    Angle of incidence is equal to angle of reflection

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    • Posted by Guri Sidhu 5 months, 2 weeks ago

    CBSE > Class 10 > Science
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    • Posted by Heer Chauhan 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Tanya Chauhan 5 months, 1 week ago

    Eco friendly environment means living in a way that is not harmful to the environment .

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    • Posted by Tushar Lohtra 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 0 answers
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    • Posted by Adrika Vishwakarma 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 4 answers

    Lavkush Giri 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Sonu Scientist 5 months, 2 weeks ago

    O2

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    Trishya Kashyap 5 months, 2 weeks ago

    Oxygen is oxidising agent

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    Sameer Ansari 5 months, 2 weeks ago

    Oxygen is oxidising agent

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    • Posted by Vansh Paniwal 5 months, 2 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Yesha Shah 5 months, 2 weeks ago

    Brinw

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    • Posted by Rasheeda Ibrahim 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 2 answers

    Account Deleted 5 months, 2 weeks ago

    Height of object(ho)= 10cm Object distance (u) = -5cm Focal length (f)= -20 cm By using mirror formula, 1/f= 1/v+1/u 1/-20= 1/v+1/-5 1/-20 -1/-5 = 1/v -1+4/20 = 1/v 3/20 = 1/v 6.66 cm = v m = -(v/u) = hi / ho -(6.66/-5) = hi /10 -666/500 = hi/10 -6660/500 = hi -666/50 = hi -13.32 cm = hi

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    Rasheeda Ibrahim 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Yash Singh Bharara 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Parul Ailawadi 5 months, 1 week ago

    1. Don't know 2. -5d, +10d P=-5+10=5d f=100/P=100/5=20cm 3. +5d, -10d P=+5-10=-5d f=100/P=100/-5=-20cm

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    • Posted by Ankita Pujari 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 3 answers

    Dhiraj Kumar Mahto 5 months, 3 weeks ago

    The principal focus of a concave mirror is the specific point where parallel rays of light converge or appear to converge after reflection.

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    Yash Singh Bharara 5 months, 3 weeks ago

    The principal focus of a concave mirror is the specific point where parallel rays of light converge or appear to converge after reflection.

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    Aishwari Jaiswal 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Rajneesh Nyol 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Yash Singh Bharara 5 months, 3 weeks ago

    The empty paper box of sweets is biodegradable because it's made of paper, which can break down naturally. The empty plastic bottle of water and the empty can of cold drink are not biodegradable, while the biodegradability of the empty packet of chips depends on its material.

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    • Posted by Ujjwal Kumar 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Yash Singh Bharara 5 months, 3 weeks ago

    The salt \(X\) is likely ammonium dichromate, \((NH_4)_2Cr_2O_7\), which is orange, but it turns green when it decomposes. When heated, it undergoes a decomposition reaction to produce chromium(III) oxide (\(Cr_2O_3\)), nitrogen gas (\(N_2\)), and water vapor (\(H_2O\)). The green-colored substance is chromium(III) oxide, and the gas with a pungent smell is nitrogen dioxide (\(NO_2\)) which is usually formed due to secondary reactions. The decomposition reaction of ammonium dichromate can be represented by the following chemical equation: \[ (NH_4)_2Cr_2O_7 \rightarrow Cr_2O_3 + N_2 + 4H_2O \] During the heating process, some \(NH_3\) may be released, which can further oxidize to \(NO_2\) in the presence of heat and oxygen. So, the salt \(X\) is ammonium dichromate, \((NH_4)_2Cr_2O_7\), and the gas \(Y\) is nitrogen dioxide, \(NO_2\). Here is the full balanced chemical equation: \[ (NH_4)_2Cr_2O_7 \rightarrow Cr_2O_3 + N_2 + 4H_2O \] When considering secondary reactions for the release of \(NO_2\): \[ 4NH_3 + 7O_2 \rightarrow 4NO_2 + 6H_2O \]

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    • Posted by Kirti Panchole 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 1 answers

    Kirti Panchole 5 months, 3 weeks ago

    50 + transportation (heart) question answer

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    • Posted by Saad Gauri 5 months, 3 weeks ago

    CBSE > Class 10 > Science
    • 2 answers

    Gautam Jha Jha 5 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Yash Singh Bharara 5 months, 3 weeks ago

    Amoeba obtains nutrition by engulfing food particles through phagocytosis, digesting them in food vacuoles with enzymes, absorbing the resulting nutrients, and expelling undigested material.

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